For etymology on Wiktionary, see Wiktionary:Etymology.
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From Middle English , from Old French ethimologie, from Latin etymologia, from Ancient Greek ἐτυμολογία (etumología), from ἔτυμον (étumon, true sense) and -λογία (-logía, study of), from λόγος (lógos, word; explanation).



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etymology (plural etymologies)

  1. (uncountable) The study of the historical development of languages, particularly as manifested in individual words.
  2. (countable) An account of the origin and historical development of a word.

Usage notes

  • Not to be confused with entomology (the study of insects) or etiology (the study of causes or origins).


Derived terms

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