SUD is just Italian for south; OSTRO is the same direction, named for Auster, the Roman wind-god

SUD is just Italian for south; OSTRO is the same direction, named for Auster, the Roman wind-god

Sixteen marble discs are set into the pavement around the obelisk in St. Peter's Square, each naming a wind — Tramontana, Levante, Ostro, Ponente and the rest of the old eight-wind compass, laid in 1817 by a Vatican astronomer. SUD is just plain Italian for south; OSTRO is the same direction, named for the Roman wind-god Auster. Your phone's compass has fewer opinions.
RR