Genesis 26:18-20

Young's Literal Translation

¹⁸ and Isaac turneth back, and diggeth the wells of water which they digged in the days of Abraham his father, which the Philistines do stop after the death of Abraham, and he calleth to them names according to the names which his father called them.

¹⁹ And Isaac's servants dig in the valley, and find there a well of living water,

²⁰ and shepherds of Gerar strive with shepherds of Isaac, saying, `The water [is] ours;' and he calleth the name of the well `Strife,' because they have striven habitually with him;