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
Textus Receptus Greek Text
abussoV abussos
abusson (abusson) deep, bottomless Noun: Accusative Singular Feminine 3 Occurrences Luke 8:31, Rom 10:7, Rev 20:3
abussou (abussou) deep, bottomless Noun: Genitive Singular Feminine 6 Occurrences Rev 9:1, Rev 9:2, Rev 9:11, Rev 11:7, Rev 17:8, Rev 20:1