This is what the internet says [0], but it might be wrong. I'm from the same small town as Ferruccio himself and I can guarantee you it's not from our dialect.

This is what the internet says [0], but it might be wrong. I'm from the same small town as Ferruccio himself and I can guarantee you it's not from our dialect. 0: https://www.unannoinpiemonte.com/?p=18104 https://www.unannoinpiemonte.com/?p=18104