Deuteronomy 2:29

“As the children of Esau which dwell in Seir, and the Moabites which dwell in Ar, did unto me, etc.] Which respects, as Jarchi observes, not the affair of passing through their land requested, for neither of them granted that, but buying food and drink; for though the Edomites at first seem not to have granted that, yet afterwards they did. The mountain of Seir, and the city Ar, are put for the whole countries of Edom and Moab: until I shall pass over Jordan into the land which the Lord our God giveth us; this is observed to remove any suspicion or jealousy of their seizing his country, and taking possession of it, and dwelling in it; since they only proposed to pass through it on their…”

“As the children of Esau did - They did permit them to pass quietly by the borders, though not through the heart of their land, and in their passage the people sold them meat and drink, being it seems more kind to them than their king would have had them; and therefore they here ascribe this favour not to the king, though they are now treating with a king, but to the people, the children of Esau. Deuteronomy 2:30”

“As the children: It appears to have been only the Edomites of Kadesh-barnea, south of Canaan, who denied the Israelites a passage; for those of mount Seir, now called Shera, are here expressly said to have granted it them, and this, in fact, was the very road by which they arrived at Canaan. Deu 23:3, Deu 23:4; Num 20:18; Jdg 11:17, Jdg 11:18 into the land: Deu 4:1, Deu 4:21, Deu 4:40, Deu 5:16, Deu 9:6, Deu 25:15; Exo 20:12; Jos 1:11-15 Deuteronomy 2:30”