Many scholars think the word Vesuvius was related to the Greek word Î á 1\/2 '' ( not ) and Ï Î Î Î 1\/2 Î 1\/2 Ï On the presumption that the language is Greek , Vesuvius might be a Latinization of the negative Î á 1\/2 '' ( ve ) prefixed to a root from or related to the Greek word Ï Î Î Î 1\/2 Î 1\/2 Ï