Family name origins & meanings
- Italian (chiefly northern) : of problematic and probably multiple origin. The most likely sources are az(z)aro, an occupational name for a producer or supplier of hatchets or battleaxes, from az(z)a ‘hatchet’, ‘battleaxe’, or a metonymic occupational name for maker or supplier of steel or swords, from Italian acciaio ‘steel’ (from Latin ac(c)iar(i)um).