Num 21:13, Jer 48:19 | ESV | STEP | From there they set out and camped on the other side of the Arnon , which is in the wilderness that extends from the border of the Amorites , for the Arnon is the border of Moab , between Moab and the Amorites .

Numbers 21:13

13 From there they set out and camped on the other side of the Arnon, which is in the wilderness that extends from the border of the Amorites, for the ^aArnon is the border of Moab, between Moab and the Amorites.

Jeremiah 48:19

19 ^bStand by the way ^cand watch,
O inhabitant of ^dAroer!
Ask him who flees and her who escapes;
say, ‘What has happened?’