eschatology (n.)youdaoicibaDictYouDict[eschatology 词源字典]
1834, from Latinized form of Greek eskhatos "last, furthest, uttermost, extreme, most remote" in time, space, degree, from PIE *eghs-ko-, suffixed form of *eghs "out" (see ex-) + -ology. In theology, the study of the four last things (death, judgment, heaven, hell). Related: Eschatological; eschatologically.[eschatology etymology, eschatology origin, 英语词源]