9 Moses said to Joshua, 17:9 Ex 24:13; 32:17; 33:11; Ac 7:45 "Select some men for us and go fight against Amalek. Tomorrow I will stand on the hilltop with God’s staff in my hand."
11 While Moses held up his hand, 17:11 Sam, LXX, Syr, Tg, Vg read hands Israel prevailed, but whenever he put his hand 17:11 Sam, LXX, Syr, Tg, Vg read hands down, Amalek prevailed. 17:11 Ex 24:14; Jms 5:1612 When Moses’s hands grew heavy, they took a stone and put it under him, and he sat down on it. Then Aaron and Hur supported his hands, one on one side and one on the other so that his hands remained steady until the sun went down. 13 So Joshua defeated Amalek and his army 17:13 Or people with the sword.
15 And Moses built an altar 17:15 Ex 20:24–26; 24:4; Jdg 6:24 and named it, "The Lord Is My Banner." 17:15 = Yahweh-nissi