9 So the king of Israel set out with the king of Judah and the king of Edom. After a roundabout march of seven days, the army had no more water for themselves or for the animals with them.

Read 2 Kings 3:9 Using Other Translations

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.
So the king of Israel went with the king of Judah and the king of Edom. And when they had made a circuitous march of seven days, there was no water for the army or for the animals that followed them.
The king of Edom and his troops joined them, and all three armies traveled along a roundabout route through the wilderness for seven days. But there was no water for the men or their animals.