"Narrow pass or recess, a town (Josh. 15:33) in the low country," the She-phelah of Judah. It was allotted to the tribe of Dan "(Josh. 19:41), and was one of their strongholds. Here Samson" "spent his boyhood, and first began to show his mighty strength;" and here he was buried in the burying-place of Manoah his father "(Judg. 13:25; 16:31; 18:2, 8, 11, 12). It is identified with the" "modern Yeshua, on a hill 2 miles east of Zorah. Others, however," "identify it with Kustul, east of Kirjath-jearim."

See where Eshtaol occurs in the Bible...

Definition of Eshtaol:
"a strong woman"