14th century, in the meaning defined at sense 2
borrowed from Late Latin abyssus, borrowed from Greek ábyssos "bottomless, unfathomable, (as noun) bottomless gulf," from a- a- entry 2 + byssós "depth of the sea," probably going back to *byth-yos, derivative of bythós "depth, deepest part, bottom," probably of pre-Greek substratal origin
Synonyms for abyss
Words Related to abyss
abyss
noun