Origin of ablautGerman from ab-, off, from + laut, sound: see loud
Origin of ablautGerman ab off ( from Middle High German ab, abe ) ( from Old High German aba ; see apo- in Indo-European roots.) Laut sound ( from Middle High German lūt ) ( from Old High German hlūt ; see kleu- in Indo-European roots.)
(third-person singular simple present ablauts, present participle ablauting, simple past and past participle ablauted)
- (intransitive, linguistics, of a vowel-containing linguistic component) To undergo a change of vowel.
- (linguistics) To cause to change a vowel.