Lake Winnibigoshish is a body of water in north central Minnesota in the Chippewa National Forest. Its name comes from the Ojibwe language Wiinibiigoonzhish, a diminutive and pejorative form of Wiinibiig, meaning "filthy water". The name is related in structure to Lake Winnipeg and to the Algonquian name for Lake Winnebago, which the Ho-chunk Nation w…Lake Winnibigoshish is a body of water in north central Minnesota in the Chippewa National Forest. Its name comes from the Ojibwe language Wiinibiigoonzhish, a diminutive and pejorative form of Wiinibiig, meaning "filthy water". The name is related in structure to Lake Winnipeg and to the Algonquian name for Lake Winnebago, which the Ho-chunk Nation was named after.