An Etymological Dictionary of Astronomy and Astrophysics

1. A small group of persons living together, sharing possessions, work, income, etc., and often pursuing unconventional lifestyles.
   

2. Any community organized for the protection and promotion of local interests, and subordinate to the state (Dictionary.com).

Etymology (EN): From M.Fr. commune “free city, group of citizens,” from M.L. communia, noun use of neuter plural of L. adj. communis, literally “that which is common,” from communis, → common.

Etymology (PE): Hamdâré, from hamdâr, → common.