KJV:
And the herdmen of Gerar did strive with Isaac's herdmen, saying, The water is ours: and he called the name of the well Esek; because they strove with him.
NASB:
the herdsmen of Gerar quarreled with the herdsmen of Isaac, saying, "The water is ours!" So he named the well Esek, because they contended with him.