語源的,語源學的
Etymological \Et`y*mo*log"ic*al\ (-m[-o]*l[o^]j"[i^]*kal), a. [L. etymologicus, Gr. 'etymologiko`s: cf. F. ['e]tymologique. See {Etymology}.] Pertaining to etymology, or the derivation of words. -- {Et`y*mo*log"ic*al*ly}, adv.
etymological adj : based on or belonging to etymology; "I merely drew an etymological distinction"