It means it comes from Nervión, which is from Nervión. Nervión is the name of a neighborhood and district in Seville, the city of Andalusia, Spain. That is why Sevilla Fútbol Club, is told nervous team, because in that neighborhood is its headquarters. The lands formerly belonged to the Marquis de Nervión, a Spanish sailor and politician, named Francisco Armero and Fernández de Peñaranda. You can also tell nervionense to a fanatical follower of Sevilla F. C.
