Which the Lord gave — The past tense is here put for the future, will give after the manner of the prophets.
Related Commentaries of Deuteronomy 2:12
Deuteronomy 2:12
12 The Horims also dwelt in Seir beforetime; but the children of Esau succeededc them, when they had destroyed them from before them, and dwelt in their stead; as Israel did unto the land of his possession, which the LORD gave unto them.