ablaut(redirected from Apophony)
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ablaut(äp`lout) [Ger.,=off-sound], in inflectioninflection,
in grammar. In many languages, words or parts of words are arranged in formally similar sets consisting of a root, or base, and various affixes. Thus walking, walks, walker have in common the root walk and the affixes -ing, -s, and -er.
..... Click the link for more information. , vowel variation (as in English sing, sang, sung, song) caused by former differences in syllabic accent. In a prehistoric period the corresponding inflected forms of the language (known through internal reconstruction) had differences in accent rather than in vowel. Phonological change resulted in alteration of syllable structure and in vowel gradation. See umlautumlaut
[Ger.,=transformed sound], in inflection, variation of vowels of the type of English man to men. In this instance it is the end product of the effect of a y (long since disappeared) that was present in the plural; the y
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