If you want to be super technical, the real term is octothorpe. In terms of etymology, the ”octo-“ refers to “eight,” which is in reference to the points on the symbol. However, where “-thorpe” stems from is still up for debate. Some believe it was named after Olympian Jim Thorpe. Others do not agree and argue that it was just a random suffix.
There’s some debate about whether Cleveland’s professional football franchise was named after its first coach and general manager, Paul Brown, or after boxer Joe Louis, who was nicknamed the “Brown Bomber.” Team owner Mickey McBride conducted a fan contest in 1945 and the most popular submission was Browns.