ablautEnglishOxford New American Dictionaryablaut /ˈablout, ˈæblaʊt / ▸ noun a change of vowel in related words or forms, e.g., in Germanic strong verbs (e.g., in sing, sang, sung): [as modifier] an ablaut series. – ORIGIN mid 19th century : from German, from ab ‘off’ + Laut ‘sound’.
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EnglishOxford New American Dictionary
