פירוש על יהושע 15:9

And it encompassed. This is an expression of circling, similar to, “and with a compass, he circles it.”¹³Yeshayahu 44:13. Targum Yonasan translates them all, and he encircled.

And extended to the cities of Mount Efron. The boundary line extended northward, and the boundary widens to encompass the cities of Mount Efron.

And the boundary circled to Baaloh. This is not in a westerly direction, but its projection was to the north.