词根：rhe = flow （流）

diarrhea 痢疾（dia对穿—对穿流过—拉肚子）

rheum 泪水

词根词缀：rheo-, rhea-, rhe-, rhy-

【来源及含义】Greek: a flow, wave; current of a stream, current; electrical current

【同源单词】bioelectrorheology, electrorheological, electrorheologist, electrorheology, hemorheology, hydrorheostat