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Word of the Day
Thursday, December 11, 2008

Definitions for ablaut

  1. the systematic substitution of one root vowel sound for another in different inflectional forms or derivatives of a word, as in ring, rang, rung

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Citations for ablaut
Any discussion of the grammar and phonology of Proto-Indo-European (PIE) would be incomplete without reference to Ablaut (German for 'vowel gradation'). Douglas Simms, University of Texas at Austin
Origin of ablaut
1840-1850
by 1849, from German Ablaut, literally, "off-sound," from ab "off" + Laut "sound, tone," from Old High German hlut. It was popularized by Jacob Grimm.