δῐ-θάλασσος,
Attic dialect διθάλαττος [θᾰ], ον, divided into two seas, of the Euxine, [[ 1st c.BC-1st c.AD: Strabo Geographus 2.5.22, compare 2nd c.AD: Dionysius Periegeta 156 ] Refs 1st c.BC+]; of the Atlantic, [[ 1st c.BC-1st c.AD: Strabo Geographus 1.1.8. ] Refs 1st c.BC+]
__II between two seas, where two seas meet, as is often the case off a headland, [[ NT.Act.27.41 ] NT]; βραχέα καὶ διθάλαττα shallows and meetings of currents, in the Syrtes, [[ 1st-2nd c.AD: Dio Chrysostomus Sophista 5.9. ] Refs 1st c.AD+]