Numbers 34:4

The border then turns south of Maaleh Akrabim. Wherever it says “turns” or “extends,” it teaches that the border was not even, but swerved away. The border swerves, bending towards the north and angling west, so that the border passes south of Maaleh Akrabim — thus, Maaleh Akrabim was within the border.

Passing toward Tzin. צִנָה, ”to Tzin,” like מִצְרַיְמָה, “to Egypt.”

Its outskirts shall be. Its ending, south of Kadeish Barne’a.

It shall extend to Chatzar Adar. The border spreads, broadening towards the north and angling further west, until it reaches Chatzar Adar, from there to Atzmon, and from there to the Egyptian Estuary. The term “turns” is used here, because it wrote “it shall extend to Chatzar Adar.” It began broadening after crossing Kadesh Barne’a, and the breadth of the strip which protruded northward reached from Kadesh Barne’a to Atzmon. From there and onward the border receded, turning toward the south until reaching the Egyptian Estuary, and from there west to the Mediterranean, which serves as the western border for all of Eretz Yisroel. Thus, the Egyptian Estuary is situated at the southwestern corner.

And your border shall turn from the south to the ascent of Akrabbith, and pass on to the palms of the mountain of iron, and the going forth thereof shall be southward of Rekem Giah, and shall go onward to the tower of Adar, and pass over to Kesam.

ונסב לכם, at this point the boundary projects somewhat.

Expressions such as ויצא and ועבר, when used in connection with the boundaries, mean that the boundary proceeded in a straight line.

מנגב לקדש נרנע, “from the south, (southern border) as far as Kadesh Barnea. Rav B’chor Shor raises the question that in this verse Kadesh Barnea is described as being part of the land of Canaan, i.e. the west bank of the Jordan, whereas when Moses dispatched the spies in Joshua 14,7 Calev described Moses as having dispatched them from that place, and Moses had never set foot across the Jordan. I believe that there must have been two locations each bearing the name Kadesh Barnea, and this is supported by the Talmud in the third chapter of tractate Makkot where Rabbi Yossi is quoted as having said so. This place is also listed as a place on the east Bank of the Jordan in Joshua 15,3. Rashi also explains that there where two locations both named Hor Hahar, seeing that Aaron died there and he too had never crossed the river Jordan. (Numbers 20,28) On the other hand, in verse 7 of our chapter, Hor Hahar is described as part of the Land of Canaan on the west bank of that river.