abysm
noun
1.
a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
Origin
From Middle English abime, from Old French abisme from Late Latin *abyssimus, a superlative of abyssus (“bottomless pit”), from Ancient Greek ἄβυσσος (ábussos). Cognate to French abîme. See also abyss.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.