Meaning

noun a piece of open land for recreational use in an urban area

adjective belonging to or participated in by a community as a whole; public

adjective having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual

originFrom Middle English comun, from Anglo-Norman comun, from Old French comun (rare in the Gallo-Romance languages, but reinforced as a Carolingian calque of Proto-West Germanic *gamainī (“common”) in Old French), from Latin commūnis (“common, public, general”), from Proto-Indo-European *ḱom-moy-ni-s (“held in common”), from Proto-Indo-European *mey- (“to exchange, change”). Displaced native Middle…

Etymology from Wiktionary, CC BY-SA 3.0