Jean Baptiste Point du Sable is generallly awarded that claim to fame.
As a noun it would be 'sabl' or 'du'; as an adjective it would be 'du', 'dudew' or 'tywyll'.
1990
Du Sable
Jean Baptiste Point du Sable was the black man that started the city of Chicago.
Chicago's founder, Jean Baptiste Pooint du Sable.
He did not.
He was born in Hatiti.
Du sable
sand is called "du sable" in French.
je déteste le sable - j'ai horreur du sable
Jean Baptiste Pointe du Sable