Latin word communis comes from Latin Latin con- (which indicates bringing together) and Latin munus (duty, obligation).

Detailed word origin of communis

Dictionary entry	Language	Definition
con-	Latin (lat)	Used in compounds to indicate a being or bringing together of several objects. Used in compounds to indicate the completeness, perfecting of any act, and thus gives intensity to the signification of the simple word.
munus	Latin (lat)	A burden, duty, obligation. A gift. A service, favor. A service, office, employment. A spectacle, public show.
communis	Latin (lat)	(grammar) having both qualities of a subdivided category, such as a verb with both an active and a passive meaning, or a syllable being either long or short.. (of manners) familiar, accessible, courteous. Common, ordinary, commonplace, universal. Democratic; representing the common sentiment. Of or for the community, public.

Words with the same origin as communis