Save Type Region Usage Ojibwe (Anglicized) Pronounced Pron. miz-IZ-ah-gah [key] Meaning & History From the Anishinaabe word misi-zaagiing, meaning "Those at the Great River Mouth". Name of the Mississauga tribe, and now a name of a Toronto suburb. Closely related to the Ojibwe word misswezahging, mean "river of many outlets".