Meicigama is an Algonquian Native American word. It means "big lake" and refers to Lake Michigan.
Based on Chippewa Indian word "meicigama" meaning "great water," referring to the Great Lakes.
The name Michigan is based on the Chippewa Indian word "meicigama" meaning great water, and refers to the Great Lake.
Well, I'm not entirely sure, but I assume it was an Native American name before people found it. I remember that when I was in fourth-grade, a boy said that it used to be called 'Nichigan', although I highly doubt that and you should, too. :)