Eschatology

Eschatology i/ˌɛskəˈtɒlədʒi/ (from the Greek ἔσχατος/ἐσχάτη/ἔσχατον, eschatos/eschatē/eschaton meaning "last" and -logy meaning "the study of", first used in English around 1550) is a part of theology, philosophy, and futurology concerned with what are believed to be the final events of history, the ultimate destiny of humanity — commonly referred to as the "end of the world" or "end time".