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Rendaku ( 連濁, Japanese pronunciation: [ɾendakɯ], lit. 'sequential voicing') is a phenomenon in Japanese morphophonology that governs the voicing of the initial consonant of a non-initial portion of a compound or prefixed word. In modern Japanese, rendaku is common but at times unpredictable, with certain words unaffected by it.
While kanji do not indicate rendaku, it is marked in kana with dakuten (voicing mark).
Rendaku was initially an automatic and predictable process in Japanese. One theory states that rendaku was originally a way to distinguish compound words from saying a word twice when comparing two words or listing things (compare ひとびと hitobito "people" – with rendaku – versus ひと、ひと hito hito "one person, another person" – without rendaku). Native Japanese words never begin with a voiced obstruent or sibilant (b, d, g, z, etc.) and so rendaku was merely an allophonic detail that did not create ambiguity.
However, after the 4th century, Japan started borrowing words and characters from Chinese, which caused the once regular process of rendaku to become less predictable. Since many Chinese words begin with voiced consonants, applying rendaku to those words would cause ambiguity (compare 試験 shiken "examination" with 事件 jiken "incident"). Therefore, compound words consisting of purely Chinese words tend not to exhibit rendaku, unlike compounds consisting of native Japanese words, but there are many exceptions. [1]
Unvoiced | Voiced | |
---|---|---|
k | → | g |
s, sh | → | z, j |
t, ch, ts | → | d, j, z |
h, f | → | b |
Rendaku can be seen in the following words:
In some cases, rendaku varies depending on syntax. For instance, the suffix tōri (〜通り, "road, following"), from tōru (通る, "to go, to follow"), is pronounced as -tōri (〜とおり) following the perfective verb, as in omotta-tōri (思った通り, "as I thought"), but is pronounced as -dōri (〜どおり, with rendaku) when following a noun, as in yotei-dōri (予定通り, "as planned, according to schedule") or, semantically differently – more concretely – Muromachi-dōri (室町通, " Muromachi Street").
Rendaku occurs not only on single-root elements, but also "multi-root" elements, those that are themselves composed of smaller elements. These morphemes may be of Chinese origin (see kango) or more recent loanwords (see gairaigo) rather than strictly native.
For certain morphemes that begin with the morae chi (ち) and tsu (つ), their rendaku forms begin with the morae ji and zu, spelled in hiragana as ぢ and づ, which explains the use of these kana in contrast to the identically pronounced じ and ず (see yotsugana). This is not a strict rule, however, and is relaxed in certain older compounds or names, especially those that are not easily recognized as compounds.
Rendaku occurs not only in compound nouns, but also in compounds with adjectives, verbs or continuative/nominal forms of verbs.
In many Tohoku dialects, rendaku can be expressed in the form of prenasalized voicing. [3] This prenasalized sound production was not uniformed at all, and depending on the speakers and the words pronounced, significant variations were observed. [3]
There was a relationship between the rate of prenasalized voicing and the speakers’ age: older individuals display it at a higher rate than younger individuals. [3] On the other hand, differences in the speakers’ gender and socioeconomic status did not affect the rate of prenasalized voicing. [3]
For example, “[kata] ‘shoulder’ and [haka] ‘tomb’ are pronounced [kada] and [haga]” in Tohoku dialect. [3]
The extensive examples of allophonic variation in the Tohoku dialect are as follows: [3]
Header text | word-initial | intervocalic | ||
---|---|---|---|---|
a. | K/t/ K/take/ | [taɡe̝] ‘bamboo | K/hata/ | [hɑdɑ] ‘flag’ |
K/k/ K/kaki/ | [kɑɡɨ] ‘persimmon’ | K/gake/ | [ɡɑɡe̝] ‘cliff ’ | |
K/c/ K/cume/ | [tsɯme̝] ‘fingernail’ | K/macu/ | [mɑdzɯ] ‘town | |
K/č/ K/čoko/ | [tɕoɡo] ‘saké cup | K/oča/ | [odʑɑ] ‘tea’ | |
b. | K/p/ K/paN/ | [pɑ̃nː] ‘bread’ | K/kopii/ | [kopɨː] ‘(photo)copy |
K/s/ K/sake/ | [sɑɡe̝] ‘saké’ | K/kasa/ | [kɑsɑ] ‘umbrella | |
K/š/ K/šake/ | [ɕɑɡe̝] ‘salmon’ | K/bašo/ | [bɑɕo] ‘place’ | |
c. | K/b/ K/baN/ | [bɑ̃nː] ‘evening’ | K/baba/ | [bɑ̃mbɑ] ‘grandmother’ |
K/d/ K/dake/ | [dɑɡe̝] ‘only’ | K/mado/ | [mɑ̃ndo] ‘window | |
K/g/ K/gaki/ | [ɡɑɡɨ] ‘brat’ | K/kagi/ | [kɑ̃ŋɡɨ] ‘key’ | |
K/ȷ̌/ K/ȷ̌oNda/ | [dʑõnːdɑ] ‘skillful’ | K/maȷ̌o/ | [mɑ̃ɲdʑo] ‘witch’ | |
K/z/ K/zaru/ | [dzɑɾɯ] ‘colaner’ | K/kazu/ | [kɑ̃ndzɯ] ‘number’ |
Research into defining the range of situations affected by rendaku has largely been limited to finding circumstances (outlined below) which cause the phenomenon not to manifest.
Lyman's Law states that there can be no more than one voiced obstruent (a consonant sound formed by obstructing airflow) within a morpheme. [4] Therefore, no rendaku can occur if the second element contains a voiced obstruent. This is considered to be one of the most fundamental of the rules governing rendaku.
There are, however, exceptions to Lyman's Law. For example, nawa + hashigo is nawabashigo, not nawahashigo. Although this law is named after Benjamin Smith Lyman, who independently propounded it in 1894, it is really a re-discovery. The Edo period linguists Kamo no Mabuchi [5] [6] (1765) and Motoori Norinaga [7] [8] (1767–1798) separately and independently identified the law during the 18th century.
Similar to Lyman's Law, it has been found that for some lexical items, rendaku does not manifest if there is a voiced obstruent near the morphemic boundary, including preceding the boundary. [ citation needed]
Rendaku also tends not to manifest in compounds which have the semantic value of "X and Y" (so-called dvandva or copulative compounds):
Compare this to yama + kawa > yamagawa "mountain river".
Rendaku is also blocked by what is called a "branching constraint". [9] In a right-branching compound, the process is blocked in the left-branching elements:
but
Despite a number of rules which have been formulated to help explain the distribution of the effect of rendaku, there still remain many examples of words in which rendaku manifests in ways currently unpredictable. Some instances are linked with a lexical property as noted above but others may obey laws yet to be discovered. Rendaku thus remains partially unpredictable, sometimes presenting a problem even to native speakers,[ citation needed] particularly in Japanese names, where rendaku occurs or fails to occur often without obvious cause. In many cases, an identically written name may either have or not have rendaku, depending on the person. For example, 中田 may be read in a number of ways, including both Nakata and Nakada.
In some cases, voicing of preceding consonants also occurs, as in sazanami (細波, ripple), which was formerly sasa-nami. This is rare and irregular, however.
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help) (Japanese citation: 山口佳紀(1988)「古代語の複合語に関する一考察―連濁をめぐって―」(『日本語学』7-5))