וְעָל֤וּ מֽוֹשִׁעִים֙ בְּהַ֣ר צִיּ֔וֹן לִשְׁפֹּ֖ט אֶת־הַ֣ר עֵשָׂ֑ו וְהָיְתָ֥ה לַֽיהוָ֖ה הַמְּלוּכָֽה׃
必有拯救者上到錫安山，審判以掃山；那時王權必歸永恆者。
Rashi
to judge the mountain of Esau—to exact retribution from the mountain of Esau for what they did to Israel. to judge Heb. לִשְׁפֹּט. joustiser in O.F.
Rashi
and the Lord shall have the kingdom—This teaches you that His kingdom will not be complete until He exacts retribution from Amalek.