* The Hopewell Culture: This was a prehistoric Native American culture that flourished in the eastern United States from around 200 BCE to 500 CE. While they had a rich and complex culture, there is no surviving written language from the Hopewell people. We know about their culture through archaeological evidence.
* A Misspelling: You might be thinking of a different language with a similar name.
* A Local Term: It's possible "Hopewell language" is a local term or slang used in a specific community.
If you can provide more context or details about what you're looking for, I might be able to help you find the information you need.