absurd (adj.)youdaoicibaDictYouDict[absurd 词源字典]
1550s, from Middle French absurde (16c.), from Latin absurdus "out of tune; foolish" (see absurdity). The main modern sense (also present in Latin) is a figurative one, "out of harmony with reason or propriety." Related: Absurdly; absurdness.[absurd etymology, absurd origin, 英语词源]