neph.to.ach is the proper name of a spring of waters reached by boundary lines in Joshua.

The term is used as a proper name for a spring of waters marking the course of boundary descriptions in Joshua 15:9 and Joshua 18:15.

1. Named spring in boundary descriptions · dominant

   In Joshua 15:9, the proper noun occurs in the clause describing a border going from a mountain head to “the spring of the waters of Nephtoah.” In Joshua 18:15, the APB likewise renders the boundary as reaching “the spring of the waters of Nephtoah.”

   Joshua 15:9Joshua 18:15

In the Anselm Project Bible: Across both verses, the APB presents the name within the phrase “the spring of the waters of Nephtoah.” This phrase confirms the boundary-setting context rather than isolating an English rendering for the term.