[ahb-lout, ab-; German ahp-lout]
noun Grammar.
(in Indo-European languages) regular alternation in the internal phonological structure of a word element, especially alternation of a vowel, that is coordinated with a change in grammatical function or combination, as in English sing, sang, sung, song; apophony.

1840–50; < German, equivalent to ab- off + Laut sound

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To ablaut
World English Dictionary
ablaut (ˈæblaʊt, German ˈaplaut)
linguistics See gradation vowel gradation, esp in Indo-European languages
[German, coined 1819 by Jakob Grimm from ab off + Laut sound]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

vowel gradation, 1849, from Ger. Ablaut, lit. "off-sound," coined by J.P. Zweigel in 1568 from ab "off" + Laut "sound, tone," from O.H.G. hlut (see listen). Popularized by Jacob Grimm.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature