Numbers 21:13-15

Leeser(i) 13 From there they set forward, and encamped on the other side of Arnon, which is in the wilderness, and which cometh out of the boundary of the Emorites; for Arnon is the border of Moab, between Moab and between the Emorites. 14 Therefore mention is made in the book of the wars of the Lord, of Vaheb in Supha, and of the brooks of Arnon, 15 And the descent of the brooks, that turneth toward Shebeth-’Ar, and leaneth upon the border of Moab;