So the king of Israel went, and the king of Judah, and the king of Edom, the governor under the overlordship of Judah being given the title of king by courtesy, 1 Kings 22:48; and they fetched a compass of seven days' journey, marching down near the western shore of the Dead Sea. And there was no water for the host and for the cattle that followed them, used as provisions for the army. They had ventured too far from their water supply.
Related Commentaries of 2 Kings 3:9
2 Kings 3:9
9 So the king of Israel went, and the king of Judah, and the king of Edom: and they fetched a compass of seven days' journey: and there was no water for the host, and for the cattle that followed them.