Here are some theories:
* "The Beautiful Land" - This is the most common interpretation, but it's based on a translation of the name "Ioway" into English. It's possible that this is a romanticized interpretation and not the actual meaning.
* "Those Who Dwell by the Water" - This is another common interpretation, based on the Ioway people's close relationship with the Missouri River. However, it's not clear if "Iowa" directly translates to this phrase.
* "The People of the South" - This interpretation is based on the Ioway people's geographical location and their historical relationship with other Native American tribes.
Ultimately, the true meaning of "Iowa" in the Ioway language is unknown. The Ioway people themselves are divided on the issue, and there is no definitive historical record.