וְאֶת־עֵשָׂ֖ו שָׂנֵ֑אתִי וָאָשִׂ֤ים אֶת־הָרָיו֙ שְׁמָמָ֔ה וְאֶת־נַחֲלָת֖וֹ לְתַנּ֥וֹת מִדְבָּֽר׃
Но Исава я ненавидел, И сделал его горы опустошением, И отдал свое наследие шакалам пустыни.
Rashi on Malachi
And I hated Esau to push him off to a land because of Jacob, his brother. Now it is customary in the world that, if one has two sons, he selects a beautiful portion for the firstborn.
Rashi on Malachi
and I made his mountains desolate They do not compare to the mountains of Israel.