etymology [etymologies](account of the origin and historical development of a word) noun [UK: ˌe.tɪ.ˈmɒ.lə.dʒi] [US: ˌe.tə.ˈmɑː.lə.dʒi]
語源學 noun
etymology [etymologies](study of the historical development of languages, particularly of individual words) noun [UK: ˌe.tɪ.ˈmɒ.lə.dʒi] [US: ˌe.tə.ˈmɑː.lə.dʒi]