וּגְב֥וּל קֵ֙דְמָה֙ יָ֣ם הַמֶּ֔לַח עַד־קְצֵ֖ה הַיַּרְדֵּ֑ן וּגְב֞וּל לִפְאַ֤ת צָפ֙וֹנָה֙ מִלְּשׁ֣וֹן הַיָּ֔ם מִקְצֵ֖ה הַיַּרְדֵּֽן׃
그 동편 경계는 염해니 요단 끝까지요 그 북편 경계는 요단 끝에 당한 해만에서부터
Rashi on Joshua
The eastern boundary. Referring to the boundary line that stretches along the eastern border of Yehudah.
Rashi on Joshua
The Salt (Dead) Sea. It is located at the south eastern corner of the land, as stated in Parshas אֵלֶה מַסְעֵי7Bamidbar 34:12.
Rashi on Joshua
To the end of the Jordan. The width of the boundary of Yehudah is only that which is opposite the Dead Sea to the place where the Jordan empties into the Dead Sea, for the Jordan itself is also on the eastern border of the land of Canaan, as stated in Parshas אֵלֶה מַסְעֵי8Ibid. regarding the eastern border. The boundary descended to the Jordan and it extended to the Dead Sea, which is at the corner.