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I-mutation (also known as umlaut, front mutation, i-umlaut, i/j-mutation or i/j-umlaut) is a type of sound change in which a back vowel is fronted, or a front vowel is raised, if the following syllable contains /i/, /ī/ or /j/ (a voiced palatal approximant, sometimes called ''yod'', the sound of English The term is usually used by scholars of the Germanic languages: i-mutation is particularly important in the history of the Germanic languages because inflectional suffixes containing an /i/ or /j/ led to many vowel alternations that are important in the morphology of these languages today: see Germanic umlaut. ==Usage== The terms ''i-mutation'' and ''i-umlaut'' are usually applied to processes in the early Germanic languages. The phenomenon exists in many other languages, but is often referred to by different names. For example, i-mutation explains the alternations between Portuguese ''fiz'' < */fetsi/ "I did" vs. ''fez'' < */fetse/ "he did". It is still productive in some Romance languages, including Central Venetian where final -i is still visible ''te parchigi'' < */parchégi/ "you park your car" vs. ''parchégio'' "I park". But i-mutation in the Romance languages is more commonly called ''metaphony'' (from Ancient Greek, meaning "process of changing sounds", of which German ''umlaut'' is a translation). Meanwhile, in the Celtic languages, it is referred to as ''affection''. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「I-mutation」の詳細全文を読む スポンサード リンク
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