from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An earlier form of a word in the same language or in an ancestor language. For example, Indo-European *duwo and Old English twā are etymons of Modern English two.
- n. A word or morpheme from which compounds and derivatives are formed.
- n. A foreign word from which a particular loan word is derived. For example, Latin duo, "two,” is an etymon of English duodecimal.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A source word of a given word.
from the GNU version of the Collaborative International Dictionary of English
- n. An original form; primitive word; root.
- n. Original or fundamental signification.
from The Century Dictionary and Cyclopedia
- n. The original element of a word; the root or primitive.
- n. The original or fundamental sense; the primary or root meaning.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes
Latin, from Greek etumon, true sense of a word, from neuter of etumos, true.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ἔτυμον (etumon, "the true sense of a word according to its origin"), from ἔτυμος (etumos, "true, real, actual"). (Wiktionary)