зимова́ть (Russian) comes from Russian зима́, from Old East Slavic зима, from Proto-Slavic zimà, from Proto-Balto-Slavic źeimā́ˀ, from Proto-Indo-European ǵʰéyōm, from Proto-Indo-European -ōm, from Proto-Indo-European -mi.
зимова́ть (Russian): to winter, to spend winter