ἄβυσσον ἀβύσσου
From a (as a negative particle) and a variation of buthos; depthless, i.e. (specially) (infernal) "abyss" -- deep, (bottomless) pit.
see GREEK a
see GREEK buthos
ἄβυσσον (abusson) − 3 Occurrences
ἀβύσσου (abussou) − 6 Occurrences