תנ״ך אויף במדבר 20:13

Turn and travel for yourselves and arrive at the Emorite hill [region] and at all its neighbors—on the plain, on the mountain, and in the lowland, and in the Negev, and on the seacoast; the land of the Canaanites and the Lebanon, up to the great river, the Euphrates River.

Pharaoh then commanded all his people, saying, “Every boy who is born must be thrown into the river; but every girl shall be allowed to live.”

He [Moshe] named the place Massah and Merivah because the B’nei Yisrael had quarreled [Merivah] and because they had tested [Massah] Adonoy, saying, “Is Adonoy among us or not?”