Interesting…Des Moines as “the Monks” never quite settled with me. I look forward to learning more about this alternative explanation:
But there’s more. One of the first people to call the river by its European name was the French Jesuit missionary and explorer Jacques Marquette. He’d encountered natives of the Peoria tribe at the confluence of this river and the Mississippi. Asking about other tribes who inhabited the river basin, the local natives told Marquette this branch of the river was controlled by Mooyiinkweena. Marquette interpreted that as a local variation on ‘moingona.’ According to one linguist, however, mooyiinkweena actually meant ‘shit-face.’ The local tribe members had apparently been insulting their neighbors.