| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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Appendix I
Indo-European Roots |
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| ENTRY: | ghredh- |
| DEFINITION: | To walk, go. Suffixed zero-grade form *gh dh-yo-. a. gressorial; aggress, congress, degression, digress, egress, ingredient, ingress, introgression, pinnigrade, plantigrade, progress, regress, retrograde, retrogress, tardigrade, transgress, from Latin grad (past participle gressus), to walk, go; b. grade, gradual, graduate, gree; centigrade, degrade, degree, from Latin gradus (< deverbative *grad-u-), step, stage, degree, rank. (Pokorny ghredh- 456.) |
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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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