βυθός, βυθοῦ, ὁ, the bottom (of a ditch or trench, Xenophon, oec. 19, 11); the bottom or depth of the sea, often in Greek writings from Aeschylus Prom. 432 down; the sea itself, the deep sea: 2 Corinthians 11:25, as in Psalm 106:24 (); so Latinprofundum in Lucan, Phars. 2, 680 "profundioravidens."