noun (plural etyma; also -mons) see: sooth Date: circa 1576 1. an earlier form of a word in the same language or an ancestral language, a word in a foreign language that is the source of a particular loanword, a word or morpheme from which words are formed by composition or derivation
ETYMON
Meaning of ETYMON in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012