Except non is not an english word, it is a prefix of latin origin Which is why american style manuals will always ask you to merge it with the subsequent word, without a hyphen In expressions in which figures and abbreviations (or symbols. You used the dash in the wrong place I might be tempted to create an open compound, but non doesn’t stand alone. Usage definitely favors the latter.
It's an english adaptation of a latin saying De gustibus non est disputandum Meaning literally regarding taste, there is no dispute The phrase seems to be of medieval origin The origin is accepted as scholastic writings because of the grammar, which is atypical A more faithful latin rendering of the phrase might be
