Knowledge base · Part IV — Prosody and the Pitch-Accent System · this topic as a network

23. The Pitch-Accent Placement Rule and the Accented/Accentless Dialect Split

How is the position of high pitch determined in Hokkaido Ainu, and which dialects lack pitch accent?

Hokkaido Ainu lost vowel length, and pitch accent became phonemic, as seen in minimal pairs such as nína 'collect firewood' versus niná 'crush' (Alonso de la Fuente 2022: 5.2). In Common Ainu, the original trochaic foot was most likely replaced by the iambic foot that dominates in historical varieties (proposed in Alonso de la Fuente 2022: 5.4).

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The rising-nucleus system

What phonetic event marks the prominent syllable in Hokkaido Ainu?

The 'long' vowel notations in old documents for words like tókap 'daytime' should be interpreted as redundant intonational lengthening deriving from accent rather than a phonological vowel length contrast. (proposed in Bugaeva 2022: 3.5) In Hokkaido Ainu, pitch accent makes phonemic distinctions. (Itabashi 2001) In Hokkaido Ainu, syllables with long vowels generally became high-pitched, vowel length became non-distinctive, and syllable pitch became the phonologically distinctive feature. (reported in Itabashi 2001) In Hokkaido Ainu, monosyllabic open-syllable words are not only high-pitched but are generally reported to be pronounced long. (reported in Itabashi 2001) In Hokkaido Ainu, words with identical syllable structures (e.g. CVCV, CVCVC) very frequently exhibit different pitch accents, a tendency that is particularly pronounced in words of two or more syllables. (Itabashi 2001)

Dialect classes

What prosodic classes are distinguished among Hokkaido Ainu dialects?

In Yakumo Ainu, for words of three or more syllables whose first syllable is open, accent falls on the third syllable if the second syllable is open, but on the second syllable if the second syllable is closed. (Bugaeva 2022: 20.6, Nakagawa 2024: 50) In the Bihoro, Samani, and Kushiro (Haruyama) dialects of Hokkaido Ainu, there is no phonemic pitch-accent contrast (i.e. they have a phonetically single-pattern accent). (Itabashi 2001) In Sakhalin Ainu, the primary accent falls on the second mora, while secondary accents in words with more morae fall on even-numbered morae (4th, 6th, 8th) with descending pitch, shifting to the preceding mora if the target mora is V or C*. (reported in Itabashi 2001) Tasuke Yamamoto reported that in his Kushiro dialect, pitch accent was phonologically non-distinctive, but there was a phonemic contrast based on vowel length. (reported in Itabashi 2001) Ainu dialects are divided into accent dialects, which possess pitch-accent distinctions, and unaccented dialects, where pitch distinctions do not distinguish meaning. (Nakagawa 2024: 49) Sakhalin, Bihoro, and Eastern Hidaka (such as Shizunai and Samani) are known unaccented dialects lacking phonemic accent contrast. (Nakagawa 2024: 49) In the Samani dialect, there is no accent contrast, disyllabic words tend to have a low first syllable and high second syllable even where other dialects accent the first syllable, and words of three or more syllables tend to become higher toward the end. (Nakagawa 2024: 49) In the Shizunai dialect, the high pitch syllable within a single word is not fixed across utterances, indicating that it is an unaccented dialect. (proposed in Nakagawa 2024: 50) Hokkaido Ainu dialects are broadly classified into three accent types: Standard Accent Type, Irregular Accent Type, and Unaccented Type. (Nakagawa & Fukazawa 2022: 8.3) In the Yakumo dialect, when both the first and second syllables are open syllables, the third syllable becomes high. (Nakagawa & Fukazawa 2022: 8.3) In the Samani dialect, there is a tendency for the last syllable of a word to become high. (Nakagawa & Fukazawa 2022: 8.3) The Urakawa dialect is unaccented. (Nakagawa & Fukazawa 2022: 8.6) The Samani dialect is an unaccented dialect. (Nakagawa & Fukazawa 2022: 8.6) In the Oshamambe dialect, the accent peak shifts one syllable later in a word compared to the Saru dialect. (Nakagawa & Fukazawa 2022: 8.6) In the Yakumo dialect, the accent peak shifts one syllable later in a word compared to the Saru dialect. (Nakagawa & Fukazawa 2022: 8.6) The Shiranuka dialect is believed to be an unaccented dialect. (proposed in Nakagawa & Fukazawa 2022: 8.6) Many Hokkaido dialects of Ainu have an accent distinguishing between high and low syllables. (Okuda 2022: 11.3) Certain dialects of Ainu are reported not to have a distinction in accent. (reported in Okuda 2022: 11.5) Accent distinctions are not clear in some dialects, such as the Shizunai and Samani dialects. (Satō 2008: 14) According to Hattori (1961) and Murasaki (1979), Karafuto dialects do not have distinctive accent. (reported in Tangiku 2022: 9.2) In Karafuto dialects, pitch accent is placed on the first syllable if it contains a long vowel or is a closed syllable, and on the second syllable if the first syllable is an open syllable with a short vowel. (Tangiku 2022: 9.2)

The placement rule

What property of the first syllable determines where high pitch falls?

In Hokkaido Ainu, if the first syllable of a word is closed, the pitch accent falls on the first syllable. (Itabashi 2001, Nakagawa 2024: 50, Okuda 2022: 11.3) In Hokkaido Ainu, if the first syllable of a word is open, the pitch accent falls on the second syllable. (Itabashi 2001, Nakagawa 2024: 50, Okuda 2022: 11.3) In Ainu, when a word begins with a heavy or closed syllable, pitch accent regularly falls on the first syllable. (Satō 2022: 16.2, Shiraishi 2022: 13.5) In Ainu, when a word begins with a light or open syllable, pitch accent regularly falls on the second syllable. (Satō 2022: 16.2, Shiraishi 2022: 13.5) In Southern Hokkaido Ainu, pitch accent falls on the first syllable if it is closed, and on the second syllable if the first syllable is open. (Bugaeva 2012: 466–467) In Ainu, stress falls on the first syllable if it is closed, and on the second syllable if the first syllable is open. (Bugaeva 2014) Ainu accent is pitch accent, which generally falls on the root/stem, the first closed syllable, the first diphthong, the second syllable from the beginning, or the modifier in a compound. (Kindaichi & Chiri 1936) Pitch accent has a phonologically distinctive function in Ainu, yielding minimal pairs distinguished only by the location of the accent. (Nakagawa & Fukazawa 2022: 8.3) In most words, if the first syllable is closed the first syllable is high, and if the first syllable is open the second syllable is high. (Nakagawa & Fukazawa 2022: 8.3) Words with the accent on the first syllable comprise about 20 to 30% of the Ainu vocabulary. (Okuda 2022: 11.3) Usually one of the first two syllables carries the pitch accent: if the first syllable is closed, it generally receives the accent, but if it is open, the second syllable receives the accent. (Refsing 1986: 73) Independent words in Ainu have accent, whereas dependent words (particles) typically lack accent. (Satō 2008: 15) In independent words beginning with a closed syllable ((C)VC), accent is always on the first syllable. (Satō 2008: 15) In independent words beginning with an open syllable ((C)V), accent is usually on the second syllable. (Satō 2008: 15) Because péka is not an independent word, the position of its pitch accent is difficult to ascertain. (Satō 2008: 37) Even when a word begins with a light syllable (C)V, accent regularly falls on the first syllable if that initial (C)V forms an independent stem. (Satō 2022: 16.2) When a (C)VC stem is compounded with a vowel-initial form, resyllabification applies and accent regularly falls on the second syllable. (Satō 2022: 16.2) Ainu word accent falls exclusively on either the first or the second syllable because accent falls on the head syllable of the word-initial foot. (Satō 2022: 16.2) In words consisting of stems and affixes, the stem has high pitch (e.g. nú-pa, nú-re, ku-nú). (Shibatani 1990) In other two- and three-syllable words, high pitch falls on the first syllable if it is either a diphthong or a closed syllable (e.g. áynu, úyna, árpa, pírka, ókkay). (Shibatani 1990) In all other words not meeting the closed-syllable/diphthong or affixation conditions, high pitch occurs on the second syllable (e.g. kirá, cisé, netópa). (Shibatani 1990)

The pitch contour

What pitch contour do words show before and after the prominent syllable?

Southern Hokkaido Ainu has a rising kernel pitch accent, in which the rise from low to high is distinctive. (Bugaeva 2012: 466–467) In Hokkaido Ainu, the rise from low to high pitch is distinctive, with all syllables prior to this rise being low and subsequent syllables gradually falling. (Itabashi 2001) If Kuril Ainu had pitch accent, a rise from low to high was distinctive as in Hokkaido Ainu, with syllables before the rise being low and subsequent syllables gradually falling. (proposed in Itabashi 2001) Ainu is a pitch-accent language in which differences in syllable pitch distinguish word meanings, with the distinctive feature being where the pitch rises rather than where it falls. (Nakagawa 2024: 48) In Ainu accent dialects, as long as the pitch rises at the correct syllable, semantic distinction is preserved regardless of whether the subsequent syllables remain high or fall. (Nakagawa 2024: 49) Ainu has a pitch accent characterized by a high-low opposition between syllables, with the accent kernel falling on the high syllable, as well as a secondary accent. (Refsing 1986: 73) In the cited example, 'ápekor' is actually pronounced with a pitch contour like High-High-Low. (Satō 2008: 57) Ainu has a pitch-accent system in which syllables are pronounced with high or low pitch. (Shibatani 1990) Accent in Ainu is realized phonetically as high pitch. (reported in Shiraishi 2022: 13.5) Accented vowels in an open (C)V syllable are slightly lengthened, particularly in northeastern Hokkaido dialects. (reported in Shiraishi 2022: 13.5) Ainu lacks lexical tone and lacks English- or Russian-like vowel reduction in unaccented syllables. (Shiraishi 2022: 13.5)

Lexical exceptions

Which words with an open first syllable take high pitch on the first syllable instead of the second?

In Ainu, a small number of exceptional words beginning with an open or light syllable have accent on the first syllable. (Bugaeva 2022: 20.6, Satō 2008: 15, Shiraishi 2022: 13.5) In Hokkaido Ainu, there are exceptional words where the accent falls on the first syllable despite it being an open syllable. (Itabashi 2001, Okuda 2022: 11.3) In Hokkaido Ainu, compounds of CV plus 'VCV regularly exhibit accent on the initial syllable rather than the regular second syllable (e.g., ka + 'eka -> ká'eka 'to twist thread'). (Bugaeva 2022: 3.5) In Hokkaido dialects, when another morpheme with a short vowel is attached to a high-pitched monosyllabic CV word (e.g. when changing from nominal concept form to affiliative form), that CV syllable frequently becomes low in pitch. (Itabashi 2001) In Yakumo Ainu, words such as hopúni and osórusi are exceptions to Principle 2'. (Nakagawa 2024: 51) In Saru and Chitose Ainu, compounds with ki plus an intransitive verb have initial pitch accent (such as kíhopuni in Saru and kíhoyupu in Chitose), which deviates from the regular penultimate/second-syllable accent rule and suggests they may syntactically be two words. (proposed in Nakagawa 2024: 376) In Saru heroic epics, whenever the expletive u is attached to an otherwise four-syllable line to make it five syllables, the four-syllable line without u has initial pitch accent. (reported in Nakagawa 2024: 606) Ainu pitch accent is predictable in most cases, though some words are exceptional. (Satō 2008) A very small number of exceptional words have accent on the third syllable, such as aokáy, taanúka, and toanúka. (Satō 2008: 15) While Ainu words normally bear pitch accent on the first or second syllable from the beginning of the word, the pronoun aokay is exceptional in having pitch accent on the third syllable: aokáy. (Satō 2008: 210)

The Sakhalin vowel-length correspondence

How does Hokkaido pitch accent correspond to Sakhalin vowel length?

In Sakhalin Ainu, pitch accent is not phonemically distinctive, and phonological contrasts are expressed by vowel length instead. (Itabashi 2001, Murasaki 2025: 88) Long vowels in Sakhalin and Kuril Ainu regularly correspond to high pitch in Hokkaido Ainu. (reported in Alonso de la Fuente 2022: 5.2) Irregular accent patterns in Hokkaido Ainu historically correspond to long vowels in Sakhalin Ainu. (Bugaeva 2012: 466–467) In Ainu generally, syllables with long vowels tend to have high pitch in both Hokkaido and Sakhalin dialects. (Itabashi 2001) The distinctive pitch accent of many Hokkaido Ainu dialects generally corresponds to the non-distinctive pitch accent of Sakhalin Ainu. (Itabashi 2001) In Hokkaido Ainu polysyllabic words, accented open syllables are high-pitched and phonetically long, corresponding to long vowels in Sakhalin Ainu. (Itabashi 2001) In words consisting solely of open syllables where the first syllable has low pitch in Hokkaido Ainu, one correspondence type has low pitch on the first syllable in Sakhalin Ainu with even-numbered syllables (especially the second) having high pitch and the mora count remaining unchanged. (Itabashi 2001) In words consisting solely of open syllables where the first syllable has low pitch in Hokkaido Ainu, another correspondence type has the second syllable in Sakhalin Ainu bearing high pitch accent and two moras. (Itabashi 2001) In words consisting solely of open syllables where the first syllable has low pitch in Hokkaido Ainu, another correspondence pattern has the first syllable in Sakhalin Ainu bearing high pitch and two moras. (Itabashi 2001) When the first syllable of an open-syllable word in Hokkaido Ainu has high pitch, the first mora of the corresponding word in Sakhalin Ainu is also high-pitched and comprises two moras. (Itabashi 2001) In Hokkaido dialects, monosyllabic open CV words have high pitch, and the corresponding open syllables with long vowels in Sakhalin Ainu also have high pitch. (Itabashi 2001) In the Sakhalin dialect of Ainu, phonological accent contrasts do not exist in free words. (Murasaki 2025: 5) In Sakhalin Ainu, accent placement on free words is non-contrastive and is determined mechanically by syllable structure and mora count. (Murasaki 2025: 6) The shortest free forms that can bear accent are bimoraic forms of the types C₁V₁C₁V, C₁V₁V₂, or C₁V₁C₂ (where C₂ is /s, m, n, w, y, h/). (Murasaki 2025: 6) In Sakhalin Ainu, primary accent falls on the second mora, while secondary accents fall on the fourth, sixth, and eighth morae in descending order of prominence. (Murasaki 2025: 6) If the mora that should bear accent is V₂ (the second vowel of a diphthong or long vowel) or coda C₂, the accent shifts back one mora to V₁. (Murasaki 2025: 6) In Sakhalin Ainu, the primary accent is realized by being pronounced relatively higher in pitch than the surrounding morae, whereas secondary accents are very weak and often erased by sentence intonation. (Murasaki 2025: 6)