An obscenity is any statement or act which strongly offends the prevalent morality of the time. It is derived from the Latin obscaena (offstage) a cognate of the Ancient Greek root skene, because some potentially offensive content, such as murder or sex, was depicted offstage in classical drama.
And by a prudent flight and cunning save A life which valour could not, from the grave. A better buckler I can soon regain, But who can get another life again? Archilochus