Exodus 17:7 in the King James Version
And he called the name of the place Massah, and Meribah, because of the chiding of the children of Israel, and because they tempted the LORD, saying, Is the LORD among us, or not?
Context
6 Behold, I will stand before you there on the rock in Horeb. You shall strike the rock, and water will come out of it, that the people may drink.” Moses did so in the sight of the elders of Israel.
7 He called the name of the place Massah, and Meribah, because the children of Israel quarreled, and because they tested the LORD, saying, “Is the LORD among us, or not?”
8 Then Amalek came and fought with Israel in Rephidim.