פירוש על יחזקאל 47:8

to the...frontier [Heb. הֳגְלִילָה,] la marche, frontier (province).

the eastern [Heb. הֳקֳדְוֹמנָה,] the eastern. Our Rabbis taught in the Tosefta of Succah (3:3): Where do they flow? To the Sea of Tiberias (Kinnereth), the Sea of Sodom (Dead Sea), and to the Great Sea, to heal their salty waters and to sweeten them.

[“Will descend upon the plain”] this is the Sea of Tiberias.

[“And come to the sea”] this is the Sea of Sodom.

to the sea that is brought out This is the אוֹקיַינוּס ocean, which is brought out from civilization to encompass the world.

And [it will come] to heal the waters of their saltiness. The Midrash Aggadah [says] Yerushalmi Shekalim (6:2): Why does he call them הַמוּצָאִים (in the plural)? Because of the two times that they went out.