Exodus 17:7-9

21st Century King James Version

⁷ And he called the name of the place Massah [that is, Temptation], and Meribah [that is, Chiding], because of the chiding of the children of Israel, and because they tempted the Lord, saying, “Is the Lord among us or not?”

⁸ Then came Amalek and fought with Israel in Rephidim.

⁹ And Moses said unto Joshua, “Choose us out men, and go out, fight with Amalek. Tomorrow I will stand on the top of the hill with the rod of God in mine hand.”