abyss
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 abissus, from Late Latin abyssus (“a bottomless gulf”), from Ancient Greek ἄβυσσος (ábussos, “bottomless”, from ἀ- (a-, “not”) + βυσσός (bussós, “deep place”)), from βυθός (buthós, “deep place”). Displaced native Old English neowolnes.
Phrases
- oceanic abyss
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.