וַיַּ֣עַשׂ יְהוֹשֻׁ֗עַ כַּאֲשֶׁ֤ר אָֽמַר־לוֹ֙ מֹשֶׁ֔ה לְהִלָּחֵ֖ם בַּעֲמָלֵ֑ק וּמֹשֶׁה֙ אַהֲרֹ֣ן וְח֔וּר עָל֖וּ רֹ֥אשׁ הַגִּבְעָֽה׃
So Joshua did as Moses had said to him, and fought with Amalek; and Moses, Aaron, and Hur went up to the top of the hill.
Targum Jonathan on Exodus
And Jehoshua did as Mosheh had bidden him, to wage war with Amalek. And Mosheh, and Aharon, and Hur went up to the top of the height.