pi ha.chi.rot is a proper place-name marking the site before which Israel encamped and from which it set out by the sea.

The term is used consistently as a proper place-name: Israel is directed to encamp before it, is found encamped there, turns back toward it, and later sets out from before it.

1. Place named in Israel's encampment and departure · dominant

   Each occurrence is tagged Noun · Proper. In Exodus 14:2 the APB renders the instruction to encamp “before Pi-hahiroth” by the sea; Exodus 14:9 places the encamped Israelites there, while Numbers 33:7 describes turning back toward it and Numbers 33:8 setting out from before it.

   Exodus 14:2Exodus 14:9Numbers 33:7Numbers 33:8

In the Anselm Project Bible: The APB consistently presents the name as “Pi-hahiroth,” locating it in directions and reports of encampment, turning back, and departure. Its surrounding location phrases confirm the verse setting rather than supplying a separate lexical rendering.