On the south side the border began at the outskirts of Kiriath-jearim and extended westward to the spring at the Waters of Nephtoah.
KJV
And the south quarter [was] from the end of Kirjathjearim, and the border went out on the west, and went out to the well of waters of Nephtoah:
ASV
And the south quarter was from the uttermost part of Kiriath-jearim; and the border went out westward, and went out to the fountain of the waters of Nephtoah;