Where does “pietrosul” come from?

pietrosul (Romanian) comes from Romanian pietros, from Romanian piatră, from Latin petra, from Ancient Greek πέτρα — rock formation: cliff, ledge, cave, ridge; stone.

Ancestry of “pietrosul”, step by step

StepLanguageWordMeaning
1Romanianpietrosstony, full of stones; pebbly, shingly, rocky;...
2Romanianpiatrăstone
3Latinpetrastone, rock
4Ancient Greekπέτραrock formation: cliff, ledge, cave, ridge; stone
Every word from Ancient Greek πέτραEvery word from Latin petraEvery word from Romanian piatră