prodrome
n.
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).
〔李〕[pro-;drom;-e] n. [医]前驱症状 ←drom (GK dromos)=run 跑
〔蒋〕[pro-前，drom跑，’跑在前面”] 序论;[医学]前驱症状