padre (n.)

"priest, chaplain," used in reference to priests in Spain, Italy, and Mexico and South America, or the southwest of the U.S., 1580s, from Italian, Spanish, or Portuguese padre, from Latin patrem (nominative pater) "father" (see father (n.)). The title of the regular clergy in those languages. Papar was the name the Norse arriving in Iceland gave to Irish monks whom they found there.