גָּבַל

From LSJ

Ἀλλ' Ἀχέροντι νυμφεύσω → I will become the bride of Acheron

Sophocles, Antigone, 816

English (Strong)

a primitive root; properly, to twist as a rope; only (as a denominative from גְּבוּל) to bound (as by a line): be border, set (bounds about).