Jim, that's an interesting observation, (one might say "revelation"), re: the meaning of "apocalypse." Just for gits and shiggles, here's an entry from "YourDictionary.com." Emphasis mine.
Main Entry: apoc.a.lypse Pronunciation: &-'pä-k&-"lips Function: noun
Etymology: Middle English, revelation, Revelation, from Late Latin apocalypsis, from Greek apokalypsis, from apokalyptein to uncover, from apo- + kalyptein to cover -- more at HELL Date: 13th century
1 a: one of the Jewish and Christian writings of 200 B.C. to A.D. 150 marked by pseudonymity, symbolic imagery, and the expectation of an imminent cosmic cataclysm in which God destroys the ruling powers of evil and raises the righteous to life in a messianic kingdom b capitalized: REVELATION (see below)
2 a: something viewed as a prophetic revelation b: ARMAGEDDON
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Main Entry: rev.e.la.tion Pronunciation: "re-v&-'lA-sh&n Function: noun Etymology: Middle English, from Middle French, from Late Latin revelation-, revelatio, from Latin revelare to reveal Date: 14th century
1 a: an act of revealing or communicating divine truth b: something that is revealed by God to humans
2 a: an act of revealing to view or making known b: something that is revealed; especially : an enlightening or astonishing disclosure c: a pleasant often enlightening surprise
3 capitalized : an apocalyptic writing addressed to early Christians of Asia Minor and included as a book in the New Testament -- called also Apocalypse; see BIBLE table |