The Romans called it Portus Magnus (great port), which the Ibicencos adapted to Portmany.
It was named "Portus Magnus" by the Romans, but the Ibicencos never bothered to give it a name.
mnli hypothesis: It was named "Portus Magnus" by the Romans, but the Ibicencos never bothered to give it a name. premise: The Romans called it Portus Magnus (great port), which the Ibicencos adapted to Portmany.