noun ab·laut \ˈä-ˌblau̇t, ˈa-; ˈäp-ˌlau̇t\

Definition of ablaut

  1. :  a systematic variation of vowels in the same root or affix or in related roots or affixes especially in the Indo-European languages that is usually paralleled by differences in use or meaning (as in sing, sang, sung, song)

Origin and Etymology of ablaut

German, from ab away from + Laut sound

First Known Use: 1838

Other Grammar and Linguistics Terms

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