“On the south side, it shall run from Tamar as far as the waters of Meribah-kadesh, from there along the Brook of Egypt to the Great Sea. This shall be the south side.
We are now to pass from the affairs of the sanctuary to those of the state, from the city to the country. 1. The Land of Canaan is here secured to them for an inheritance (Eze 47:14): I lifted up my hand to give it unto your fathers, that is, promised it upon oath to them and their posterity.
Commenting on Ezekiel 47:13-23
And the south side southward from Tamar,.... Not Jericho, as the Targum, Jarchi, and Kimchi, called by this name from the palm trees which grew near it; according to Jerom, this is Palmyra, so called for the same reason; but it is rather Engedi, called Hazazontamar, Ch2 20:2, the line of the southern border began here, and went on, even to the waters of strife...
Tamar--not Tadmor in the desert, but Tamar, the last town of Judea, by the Dead Sea. Meaning "palm tree"; so called from palm trees abounding near it.