Numbers 21:13

21:13 From there they moved on and camped on the other side of the Arnon, in the wilderness that extends from the regions ¹  of the Amorites, for Arnon is the border of Moab, between Moab and the Amorites.

Numbers 22:3

22:3 And the Moabites were greatly afraid of the people, because they were so numerous. The Moabites were sick with fear because of the Israelites.

[21:13]  ¹ tn Or “border.”