Last Updated
：2025/12/07
八母音説
Hiragana
はちぼいんせつ
Noun
Japanese Meaning
上代日本語において、母音が八つ存在したとする言語学上の仮説または理論。 / 古代日本語の音韻体系を、/a/・/i₁/・/i₂/・/u/・/e₁/・/e₂/・/o/ の八つの母音から成るものとして再構築しようとする説。
Easy Japanese Meaning
むかしのにほんごのぼいんが八つあったと考えることをあらわすことば
Sense（1）
(linguistics) the theory that Old Japanese had eight vowels: /a/, /i₁/, /i₂/, /u/, /e₁/, /e₂/, /o/.
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
(linguistics) the theory that Old Japanese had eight vowels: /a/, /i₁/, /i₂/, /u/, /e₁/, /e₂/, /o/.
See correct answer
八母音説
See correct answer
He is writing a thesis on the octovocalic theory.
See correct answer
彼は八母音説についての論文を書いています。
Japanese - English
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