Where does “roccaglia” come from?

roccaglia (Italian) comes from French rocaille, from French rugueux, from Latin rugosus, from Latin rūga, from Proto-Indo-European krewp-, from Proto-Indo-European krew- — to fall, collapse; scab; to fall, break, bruise.

Ancestry of “roccaglia”, step by step

StepLanguageWordMeaning
1Frenchrocaillerocks; rockery; rococo
2Frenchrugueuxrough
3Latinrugosuswrinkled; shrivelled
4Latinrūgaa crease in the face, wrinkle
5Proto-Indo-Europeankrewp-scab, crust; to become encrusted
6Proto-Indo-Europeankrew-to fall, collapse; scab; to fall, break, bruise
Every word from Proto-Indo-European krew- →Every word from Proto-Indo-European krewp- →Every word from Latin rūga →