'Edge' in the Bible

But when we cried out to the Lord [for help], He heard us and sent an angel and brought us out of Egypt. Now look, we are in Kadesh, a city on the edge of your territory.

Then Israel struck the king of the Amorites with the edge of the sword and took possession of his land from the Arnon to the Jabbok, as far as the Ammonites, for the boundary of the Ammonites was strong.

They moved out from Succoth and camped in Etham, which is on the edge of the wilderness.

They moved out from Kadesh and camped at Mount Hor, on the edge of the land of Edom.