Extended Strong's Greek Lexicon (Abbott-Smith based)
the deep
Usage: βυθός, -οῦ, ὁ, [in LXX: Exo.15:5, Neh.9:11 (מְצוֹלָה), Psa.67 (68):22 68 (69):2, 15 106 (107):24 (מְצוּלָה)* ;] __1. the bottom. __2. the depth of the sea, the deep sea: 2Co.11:25. † (AS)