Deuteronomy 2:24

24 Now then arise and depart, and pass over the valley of Arnon: behold, I have delivered into thy hands Seon the king of Esebon the Amorite, and his land: begin to inherit : engage in war with him this day.

Deuteronomy 2:24 Meaning and Commentary

Deuteronomy 2:24

Rise ye up, take your journey, and pass over the river Arnon,
&c.] Which was on the border of Moab, and divided between Moab and the Amorites, ( Numbers 21:13 )

behold, I have given into thy hand Sihon, the Amorite, king of Heshbon,
and his land; that is, he had determined to give it to the Israelites, for as yet it was not actually given; of this king, and the place he(See Gill on :) (See Gill on Numbers 21:26) begin to possess it, and contend with him in battle; provoke him to war, fight with him, take his land from him, and enter upon the possession of it, hereby assuring of victory.

Deuteronomy 2:24 In-Context

22 As they did to the children of Esau that dwell in Seir, even as they destroyed the Chorrhite from before them, and inherited their country, and dwelt instead of them until this day.
23 And the Evites who dwell in Asedoth to Gaza, and the Cappadocians who came out of Cappadocia, destroyed them, and dwelt in their room.
24 Now then arise and depart, and pass over the valley of Arnon: behold, I have delivered into thy hands Seon the king of Esebon the Amorite, and his land: begin to inherit : engage in war with him this day.
25 Begin to put thy terror and thy fear on the face of all the nations under heaven, who shall be troubled when they have heard thy name, and shall be in anguish before thee.
26 And I sent ambassadors from the wilderness of Kedamoth to Seon king of Esebon with peaceable words, saying,

The Brenton translation of the Septuagint is in the public domain.