noun, masculine/a.bim/plural: abîmes
abyss, chasm; bottom of a chasm or valley; infiniteness of thought; superlative used with various abstraction and qualities; the climax or acme; hell
Inherited from Old French abisme, from a Late Latin *abīsmus (or similar; compare Spanish, Portuguese abismo), a formally unclear alteration of Latin abyssus (“bottomless pit”), from Ancient Greek ἄβυσσος (ábussos). Doublet of abysse.