§ 02 · King James Bible
Exodus 17:7
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?
Simple English
He named the place Massah and Meribah due to the Israelites' questioning and testing God, asking if He was really with them.
* Work in progress - there may be occasional inaccuracies