Proper noun
Miami-Illinois
(linguistics) An indigenous Algonquian language spoken in the United States, primarily in Illinois, Missouri, Indiana, western Ohio and adjacent areas along the Mississippi River.
Louisiana Louisiana before 1736 On May 17, 1673, explorers Louis Jolliet and Jacques Marquette began exploring the Mississippi River, known to the Sioux as does Tongo, or to the Miami-Illinois as missisipioui (the great river). Source: Internet