ma.rah is the place named in the wilderness journey where the water could not be drunk because it was bitter.

The occurrences use the noun as a proper place-name: Exodus 15:23 identifies it as the place where the water could not be drunk because it was bitter, while Numbers 33:8 and Numbers 33:9 place it on the journey between the wilderness route and Elim.

1. A wilderness stopping place · dominant

   All supplied forms are tagged Noun · Proper and identify the same location. In Exodus 15:23 the APB renders the arrival at Marah and explains that its water could not be drunk because it was bitter; in Numbers 33:8 the camp is at Marah, and in Numbers 33:9 departure is from Marah toward Elim.

   Exodus 15:23Numbers 33:8Numbers 33:9

In the Anselm Project Bible: The APB presents the term as "Marah" in the arrival, camping, and departure notices. In Exodus 15:23 it also connects the place with water described as bitter.