Then the boundary goes in another direction, turning on the western side southward from the mountain that lies to the south, opposite Beth-horon, and it ends at Kiriath-baal (that is, Kiriath-jearim), a city belonging to the people of Judah. This forms the western side.
We have here the lot of the tribe of Benjamin, which Providence cast next to Joseph on the one hand, because Benjamin was own and only brother to Joseph, and was little Benjamin (Psa 68:27), that needed the protection of great Joseph, and yet had a better protector, for the Lord shall cover him all the day long, Deu 33:12.
Commenting on Joshua 18:11-28
And the border was drawn thence,.... From Bethhoron: and compassed the corner of the sea southward; it is hard to say what sea is meant, or what by it. Fuller (k) conjectures, that as the Hebrews call any confluence of water a sea, as we call such a "mere", the great waters in Gibeon may be meant, Jer 41:12; for it cannot mean the Mediterranean...
Jos 18:12-14 The northern boundary (“the boundary towards the north side”) therefore coincided with the southern boundary of Ephraim as far as Lower Beth-horon, and has already been commented upon in the exposition of Jos 16:1-3. The western boundary follows in Jos 18:14.
Commenting on Joshua 18:12-14