Probably from the base of massaomai (through the idea of contact); a whip (literally, the Roman flagellum for criminals; figuratively, a disease) -- plague, scourging.
see GREEK massaomai
μάστιγας (mastigas) − 1 Occurrence
μάστιγος (mastigos) − 2 Occurrences
μαστίγων (mastigōn) − 2 Occurrences
μάστιξιν (mastixin) − 1 Occurrence