Etymology of the Latin word blasphemia
the Latin word blasphemia (blasphemy; slander; reviling)
derived from the Greek word blasphemia, βλασφημία (vilification (especially against God))
derived from the Greek word blasphemein, βλασφημεῖν
derived from the Greek word blasphemos, βλάσφημος (scurrilious; calumnious (against men), or impious (against God))