Where does “persiano” come from?

persiano (Italian) comes from Medieval Latin Persianus, from Latin Persia, from Latin Persa, from Ancient Greek Περσίς, from Old Persian 𐎱𐎠𐎼𐎿, from Proto-Iranian párcuš, from Proto-Indo-Iranian párćuš, from Proto-Indo-European pérḱus — chest; rib.

persiano (Italian): Persian, Iranian; Persian; The fur of the karakul