14:12 And they called Barnabas, Jupiter; and Paul, Mercurius, because he was the chief speaker.
14:23 And when they had ordained them elders in every church, and had prayed with fasting, they commended them to the Lord, on whom they believed.
Jupiter Latin for Gr. Zeus, the national god of the Greeks.
Mercurius Gr. Hermes.
(Greek - mavgo , to designate by stretching out (or pointing with) the hand).