Deuteronomy 2:12-16

The Horites previously lived in Seir, but the sons of Esau dispossessed them and destroyed them from before them, and settled in their place; just as Israel did to the land of their possession which the Lord gave them.)

‘Now arise and cross over the Wadi Zered yourselves.’ So we crossed over the Wadi Zered.

Now the time that it took for us to come from Kadesh-barnea until we crossed over the Wadi Zered was thirty-eight years, until all the generation of the men of war perished from within the camp, just as the Lord had sworn to them.

Indeed, the hand of the Lord was against them, to destroy them from within the camp until they all perished.

“So it came about, when all the men of war had finally perished from among the people,