9. that old serpent—alluding to Ge 3:1, 4.
Devil—the Greek, for "accuser," or "slanderer."
Satan—the Hebrew for "adversary," especially in a court of justice. The twofold designation, Greek and Hebrew, marks the twofold objects of his accusations and temptations, the elect Gentiles and the elect Jews.
world—Greek, "habitable world."