prodrome (n.)youdaoicibaDictYouDict[prodrome 词源字典]
1640s, from French prodrome (16c.), from Modern Latin prodromus, from Greek prodromos "a running forward, a sally, sudden attack," from pro- "forward" (see pro-) + dromos "a running" (see dromedary).[prodrome etymology, prodrome origin, 英语词源]