diuretic
c.1400 (adjective and noun), from Old French diuretique, from Late Latin diureticus, from Greek diouretikos "prompting urine," from diourein "urinate," from dia "through" (see dia-) + ourein "urinate," from ouron (see urine).
〔李〕[di-（dia-）=through 通过；uret=urine 尿；-ic a.=tending to 易于⇒“tending to let urine through 便于尿液通过的”→] n. tending to increase the flow of urine 利尿的