comatose (adj.)youdaoicibaDictYouDict[comatose 词源字典]
1755, from Latinized form of Greek komat-, comb. form of koma (genitive komatos; see coma) + -ose (1). Perhaps immediately from French comateux. Transferred sense of "lethargic" is from 1828.[comatose etymology, comatose origin, 英语词源]