So he called it Shebah. Therefore the name of the city is Beersheba to this day.
Genesis 26:33
Surrounding context
26:32 It came to pass the same day that Isaac's servants came and told him about the well which they had dug, and said to him, "We have found water."
26:33 So he called it Shebah. Therefore the name of the city is Beersheba to this day.
26:34 When Esau was forty years old, he took as wives Judith the daughter of Beeri the Hittite, and Basemath the daughter of Elon the Hittite.