Or Gashmu, firmness, probably chief of the Arabs south of Palestine, one of the enemies of the Jews after the return from Babylon (Neh. 2:19; 6:1, 2). He united with Sanballat and Tobiah in opposing the rebuilding of the wall of Jerusalem.

and Gash’mu (rain), an Arabian, mentioned in (Nehemiah 2:19) and Nehe 6:1,2,6 (B.C. 446.) We may conclude that he was an inhabitant of Arabia Petraea or of the Arabian desert, and probably the chief of a tribe.” Gashum said it” made him a type of those who create a common report.