- prologue (n.)
[prologue 词源字典]
- early 14c., from Old French prologue (12c.) and directly from Latin prologus, from Greek prologos "preface to a play, speaker of a prologue," literally "a speech beforehand," from pro- "before" (see pro-) + logos "discourse, speech," from legein "to speak" (see lecture (n.)).[prologue etymology, prologue origin, 英语词源]