In the Romance languages, metaphony was an early vowel mutation process that operated in all Romance languages to varying degrees, raising (or sometimes diphthongizing) certain stressed vowels in words with a final /i/ or /u/ or a directly following /j/. This is conceptually to the umlaut process so characteristic of the Germanic languages.
网络释义
1、词内元音变化
... 词内元音变化 metaphony 元音变化 元音变化 Umlaut 元音大变化 the Great Vowel Shift ...