Genesis 26:19-22

19But when Isaac's servants dug in the valley and found there a well of spring water,

20the herdsmen of Gerar quarreled with Isaac's herdsmen, saying, "The water is ours." So he called the name of the well Esek, because they contended with him.

21Then they dug another well, and they quarreled over that also, so he called its name Sitnah.

22And he moved from there and dug another well, and they did not quarrel over it. So he called its name Rehoboth, saying, "For now the Lord has made room for us, and we shall be fruitful in the land."