e'-sek (eseq; Septuagint Adikia):
The name given by Isaac to a well dug by his servants, for the use of which the herdsmen of Gerar strove with them-"contention" (Genesis 26:20). It lay in the neighborhood of Rehoboth and Gerar: but the site is not identified.
Strong's HebrewH6230: Eseq
"contention," a well in Gerar