Where does “ᠮᠠᠨᠵᠤ” come from?

ᠮᠠᠨᠵᠤ (Mongolian) comes from Classical Mongolian ᠮᠠᠨᠵᠤ, from Manchu ᠮᠠᠨᠵᡠ — Manchu, Manchus; Manchu.

ᠮᠠᠨᠵᠤ (Mongolian): Manchu