fleam (n.)youdaoicibaDictYouDict[fleam 词源字典]
"sharp instrument for opening veins in bloodletting," late Old English, from Old French flieme (Modern French flamme), from Medieval Latin fletoma, from Late Latin flebotomus, from Greek phlebotomos "a lancet" (see phlebotomy).[fleam etymology, fleam origin, 英语词源]