Is the phrase 'Buon appetito' French or Italian?

Buen provecho is a Spanish equivalent of the Italian 'Buon appetito'. The Words in Italian are pronounced 'bwoh-nahp-peh-TEE-toh'. The Words in Spanish are pronounced 'bwehn proh-VEH-choh'. Either way, they both wish 'Good appetite' or 'Enjoy your meal'.