Smith’s Bible Dictionary

“Enrogel ” means fount of the fuller

Enrogel : a spring which formed one of the landmarks on the boundary line between Judah, (Joshua 15:7) and Benjamin. (Joshua 18:16) It may be identified with the present "Fountain of the Virgin," 'Ain Umm ed-Daraj , the perennial source from which the pool of Siloam is supplied.