Where does “pietraio” come from?

pietraio (Italian) comes from Italian pietra, from Latin petra, from Ancient Greek πέτρα — rock formation: cliff, ledge, cave, ridge; stone.

Ancestry of “pietraio”, step by step

StepLanguageWordMeaning
1Italianpietrastone
2Latinpetrastone, rock
3Ancient Greekπέτραrock formation: cliff, ledge, cave, ridge; stone
Every word from Ancient Greek πέτρα →Every word from Latin petra →Every word from Italian pietra →