Uonbin - Uonbin

Japanese: ウ音便 - うおんびん

〘noun〙 A type of sound change. The phenomenon in which various sounds in or at the end of words, such as "ku," "gu," "hi," "bi," and "mi," become the "u" sound for the sake of pronunciation. This is the same as "yoku (good)" becoming "you," "kaguhashi" becoming "kaubashi," "otohito (younger brother)" becoming "ototo," "yokonite" becoming "yode," and "tadamete" becoming "yorau de." This emerged in the early Heian period and has become more common since then. In modern standard Japanese, the conjunctive forms of adjectives often appear with "gozaimasu" (god), "zonjimasu" (zonjimasu), and so on, when followed by "yo." The conjunctive forms of verbs rarely appear in standard Japanese, but are common in the Kansai dialect. [Kokugogaku (1891)] [Additional Notes] The sound change was already explained by Motoori Norinaga in his "Thoughts on the Three Sounds of Kanji," and includes cases such as "U and other sound changes," such as "make" becoming "mauke," "eight days (yaka) " becoming "yauka," "and then" becoming "shikashite," and "husband and wife" becoming "fuufu." The term "U sound change" became widespread in the latter half of the Meiji period.

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙音便の一つ。発音の便宜のために、語中、語尾の種々の音、「く」「ぐ」「ひ」「び」「み」などが、「ウ」の音になる現象。「よく（良）」が「よう」に、「かぐはし」が「かうばし」に、「おとひと（弟）」が「おとうと」に、「喜びて」が「喜うで」に、「頼みて」が「頼うで」になる類。平安初期に発生し、以後多くなった。現代の共通語では、形容詞の連用形が「ございます」「ぞんじます」などを下に伴う場合に多く現われる。動詞の連用形は共通語にはほとんど現われないが、関西方言などには多く見られる。〔国語学（1891）〕[補注]音便についてはすでに本居宣長の「漢字三音考」に説かれているが、「ウと云音便」とし、「まけ」を「まうけ」、「八日(やか)」を「やうか」、「然して」を「しかうして」、「夫婦」を「ふうふ」と言うような場合も含めている。「ウ音便」という用語は明治時代後半から広まったもの。

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