Italian word municipio comes from Latin munus, and later Latin municipium (Municipality, town. Township.)

Detailed word origin of municipio

Dictionary entry	Language	Definition
munus	Latin (lat)	A burden, duty, obligation. A gift. A service, favor. A service, office, employment. A spectacle, public show.
municipium	Latin (lat)	Municipality, town. Township.
municipio	Italian (ita)	Register office (or other local government offices). Town council. Town hall.

Words with the same origin as municipio