STEP Greek Lexicon: ὄγδοος

ὄγδοος, -η, -ον

the eighth. Luk.1:59, Act.7:3" (LXX), Rev.17:11 21:20; one of eight, with seven others (usually, in this sense, with αὐτός added, but cf. Plat., Legg., iii, 695 with; Plut., Pelop., 13; 2Ma.5:27): 2Pe.2:5.†

(AS)