What languages were spoken by Adena Indians?

Answer 1

The Adena Indians are a culture which dates back into prehistoric times. Very little is known about them outside of the archaeological findings which have been unearthed. No one is sure what language the ancient Adena people may have spoken.

Answer 2

Nothing is known of the Adena language. It was not written, and the Adena people died out around 200 BCE.