the derivation of a word. Synonyms: word origin, word source, derivation, origin.
2.
a chronological account of the birth and development of a particular word or element of a word, often delineating its spread from one language to another and its evolving changes in form and meaning. Synonyms: word history, word lore, historical development.
3.
the study of historical linguistic change, especially as manifested in individual words.
Origin: 1350–1400;Middle English < Latinetymologia < Greeketymología, equivalent to etymológ(os) studying the true meanings and values of words (étymo(s) true (see etymon) + lógos word, reason) + -ia-y3
late 14c., from Gk. etymologia, from etymon "true sense" (neut. of etymos "true," related to eteos "true") + logos "word." In classical times, of meanings; later, of histories. Latinized by Cicero as veriloquium. Related: Etymological; etymologically; etymologist.