出典:Wiktionary
出典:『Wiktionary』 (2026/09/01 22:51 UTC 版)
i-mutation
出典:Wikipedia
出典:『Wikipedia』 (2011/05/25 13:00 UTC 版)
I-mutation (also known as umlaut, front mutation, i-umlaut, i/j-mutation or i/j-umlaut) is an important type of sound change, more precisely a category of regressive metaphony, in which a back vowel is fronted, and/or a front vowel is raised, if the following syllable contains /i/, /ī/ or /j/ (voiced palatal approximant the sound of English