DictionaryRoot: kalyptein
Greek
kalyptein
to cover, conceal
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noun
apocalypse
uh-PAH-kuh-lips/əˈpɑːkəlɪps/
A catastrophe that destroys a world or causes a society to collapse.
Etymology
Taking a covering away gives the original sense, “revelation.” Through interpretations of the biblical Revelation as describing the world's violent end, the word came to mean a catastrophic event.