名詞 prodrome:

1. an early symptom that a disease is developing or that an attack is about to occur
   同義詞：prodroma

pro.drome

n.（名詞）
【復(fù)數(shù)】 pro.dromes 或 pro.dro.ma.ta [-drô.m…-t…]
An early symptom indicating the onset of an attack or a disease.
前驅(qū)癥狀：顯示某一疾病或疾病發(fā)作的開始的早期癥狀

來源：
French
法語
from Latin prodromus [precursor]
源自 拉丁語 prodromus [預(yù)兆，先兆]
from Greek prodromos [precursor]
源自 希臘語 prodromos [前驅(qū)，預(yù)兆]
pro- [forward] * see pro- 2
pro- [向前] *參見 pro-2
dromos [running]
dromos [跑，進(jìn)行]

【引伸】
prodro.mal