Meaning

noun a cosmic cataclysm in which God destroys the ruling powers of evil

noun the last book of the New Testament; contains visionary descriptions of heaven and of conflicts between good and evil and of the end of the world; attributed to Saint John the Apostle

originEtymology tree Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Hellenic *apó Ancient Greek ᾰ̓πό (ăpó) Ancient Greek ἀπο- (apo-) Ancient Greek καλύπτω (kalúptō) Ancient Greek ἀποκαλύπτω (apokalúptō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σις (-sis) Ancient Greek ᾰ̓ποκᾰ́λῠψῐς (ăpokắlŭpsĭs)der. Latin apocalypsisbor. Middle English…

Etymology from Wiktionary, CC BY-SA 3.0