astute (adj.)youdaoicibaDictYouDict[astute 词源字典]
1610s, from Latin astutus "crafty, wary, shrewd; sagacious, expert," from astus "cunning, cleverness, adroitness," which is of uncertain origin, perhaps from Greek asty "town," a word borrowed into Latin and with an overtone of "city sophistication" (compare asteism). Related: Astutely; astuteness.[astute etymology, astute origin, 英语词源]