| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| ablaut |
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| SYLLABICATION: | ab·laut |
| PRONUNCIATION: |  äb lout , äp- |
| NOUN: | A vowel change, characteristic of Indo-European languages, that accompanies a change in grammatical function; for example, i, a, u in sing, sang, sung. Also called gradation. | | ETYMOLOGY: | German : ab, off (from Middle High German ab, abe, from Old High German aba; see apo- in Appendix I) + Laut, sound (from Middle High German l t, from Old High German hlt; see kleu- in Appendix I).
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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