coleoptera (n.)youdaoicibaDictYouDict[coleoptera 词源字典]
1763, from Modern Latin, from Greek koleopteros, literally "sheath-wing," used by Aristotle to describe beetles, from koleos "sheath" (see cell) + pteron "wing" (see pterodactyl). Related: Coleopterous.[coleoptera etymology, coleoptera origin, 英语词源]