v. aug·ment·ed, aug·ment·ing, aug·ments
1. To make (something already developed or well under way) greater, as in size, extent, or quantity: Continuing rains augmented the floodwaters. See Synonyms at increase.
2. Linguistics To add an augment to.
To become augmented.
Linguistics The prefixation of a vowel accompanying a past tense, especially of Greek and Sanskrit verbs.
[Middle English augmenten, from Old French augmenter, from Late Latin augmentāre, from Latin augmentum, an increase, from augēre, to increase; see aug- in the Appendix of Indo-European roots.]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.