köken: Borrowed from Late Latin *abyssimus, from Latin abyssus (“a bottomless gulf”), from Ancient Greek ἄβυσσος (ábussos, “bottomless”), ἀ- (a-, “not”) + βυσσός (bussós, “depth”). Displaced Old Galician-Portuguese avisso.
shaft (vertical or inclined passage, e.g. of a mine or an elevator) · pitch (vertical cave passage) · chasm, ravine, abyss (deep, steep-sided rift, gap or fissure)
köken: Etymology tree Ancient Greek χάσκω (kháskō) Proto-Indo-European *-mn̥ Ancient Greek -μα (-ma) Ancient Greek χάσμα (khásma)bor. Latin chasma Borrowed from Ancient Greek χάσμα (khásma).
köken: From Middle Low German afgrunt, afgrunde. Compare Dutch afgrond, German Abgrund, Norwegian Nynorsk avgrunn, Swedish avgrund and Gothic 𐌰𐍆𐌲𐍂𐌿𐌽𐌳𐌹𐌸𐌰 (afgrundiþa). Equivalent to af- (“off, from”) + grund (“ground”).
köken: From Proto-Indo-Aryan *párśaHnas, from Proto-Indo-Iranian *párćaHnas, from Proto-Indo-European *pr̥ḱeh₂. Cognate with Latin porca (“lynchet”), Lithuanian prapar̃šas (“ditch”), Welsh rhych (“furrow”), Old English furh (whence English furrow).