Pedro (alternate archaic spelling Pêro) is a masculine given name. Pedro is the Spanish, Portuguese, and Galician name for Peter. Its French equivalent is Pierre while its English and Germanic form is Peter. The counterpart patronymic surname of the name Pedro, meaning "son of Peter" (compare with the English surname Peterson) is Pérez in Spanish, and Peres in Galician and Portuguese, Pires also in Portuguese, and Peiris in coastal area of Sri Lanka (where it originated from the Portuguese version), with all ultimately meaning "son of Pêro". The name Pedro is derived via the Latin word "petra", from the Greek word "η πετρα" meaning "stone, rock".The name Peter itself is a translation of the Aramaic Kephas or Cephas meaning "stone".