Etymology: German, off-sound; ab off + laut sound.
- (Philology): The substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation; as, get, gat, and got; sing and song; hang and hung, distinct from the phonetic influence of a succeeding vowel; also called gradation.
Supplemental Details:Sponsor an extended definition for ablaut for as little as $10 per month. Click here to contact us.
Full Definition of ablaut