Numbers 21:13-15 From there they traveled, and encamped on the other side of the Arnon, which is in the wilderness, that comes out of the border of the Amorites: for the Arnon is the border of Moab, between Moab and the Amorites.

WEB_Strongs⁽ⁱ⁾

13 H5265 From there they traveled, H2583 and encamped H5676 on the other side H769 of the Arnon, H4057 which is in the wilderness, H3318 that comes out H1366 of the border H567 of the Amorites: H769 for the Arnon H1366 is the border H4124 of Moab, H4124 between Moab H567 and the Amorites.

14 H559 Therefore it is said H5612 in the book H4421 of the Wars H3068 of Yahweh, H2052 "Vaheb H5492 in Suphah, H5158 the valleys H769 of the Arnon,

15 H793 the slope H5158 of the valleys H5186 that incline H3427 toward the dwelling H6144 of Ar, H8172 leans H1366 on the border H4124 of Moab."