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late 20c. space station, from Russian, literally "peace, world," also "village, community," from Old Church Slavonic miru "peace," from Proto-Slavic *miru "commune, joy, peace" ("possibly borrowed from Iranian" [Watkins]), from PIE root *mei- "to bind" (see mitre). Old Church Slavonic miru was "used in Christian terminology as a collective 'community of peace' " [Buck], translating Greek kosmos. Hence, "the known world, mankind."
in Russian history, a self-governing community of peasant households that elected its own officials and controlled local forests, fisheries, hunting grounds, and vacant lands. To make taxes imposed on its members more equitable, the mir assumed communal control of the community's arable land and periodically redistributed it among the households, according to their sizes (from 1720).