Part of speech: Noun
a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
Categories: Chasm
Abysm, Abyss, Abye, Expiate, Aby
The word "abyss" comes from Ancient Greek ἄβυσσος. It started in Late Latin abyssus. Then it appeared in Middle English abissus.
A word passing through this many languages survived because it named something universally important.