myEtymology.com: Latin etymology of petrosus

Etymology of the Latin word petrosus

the Latin word petrosus (rocky)

derived from the Latin word petra (rock, boulder; shaped stone as used in building)

derived from the Greek word petra, πέτρα (a (mass of) rock)

derived from the Proto-Indo-European root *per-

English petrosal, French petros, French pétreux, Italian petroso, Portuguese petroso, Portuguese pedroso, Spanish pedroso, Spanish petroso