- any system of doctrines concerning last, or final, matters, as death, the Judgment, the future state, etc.
- the branch of theology dealing with such matters.
- the branch of theology or biblical exegesis concerned with the end of the world
1844, from Greek eskhatos “last, furthest, uttermost, extreme, most remote” (from ex “out of,” Boeotian es-; see ) + . Originally in theology, the study of the four last things: death, judgment, heaven, hell. Related: Eschatological; eschatologically.