metaphony
- n. 元音变化，元音共鸣：一种语言现象，指一个词中的元音受到相邻或其他位置元音的影响而发生变化。
Metaphony
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abstract:
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.
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WordNet