соперник

соперник • (sopernik) m (plural соперници)

1. rival, adversary, opponent

From Old East Slavic супьрьникъ (supĭrĭnikŭ), ultimately from Proto-Slavic *sǫ-, *perti (“to beat, press up, balk”).

• IPA^(key): [sɐˈpʲernʲɪk]

• соперник

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сопе́рник • (sopérnik) m anim (genitive сопе́рника, nominative plural сопе́рники, genitive plural сопе́рников, feminine сопе́рница)

1. rival, adversary, opponent
2. antagonist

• проти́вник (protívnik)

• соперничек (soperniček)
• сопе́рница (sopérnica), сопе́рничество (sopérničestvo)
• сопернический (soperničeskij)
• сопе́рничать (sopérničatʹ), посоперничать (posoperničatʹ)

• Vasmer (Fasmer), Max (Maks) (1964–1973), “соперник”, in Etimologičeskij slovarʹ russkovo jazyka [Etymological Dictionary of the Russian Language] (in Russian), translated from German and supplemented by Trubačóv Oleg, Moscow: Progress
• Sreznevskij, I. I. (1912), “соперник”, in Materialy dlja slovarja drevne-russkago jazyka po pisʹmennym pamjatnikam [Materials for the Dictionary of the Old Russian Language According to Written Monuments] (in Russian), volume 3, Saint Petersburg: Imperial Academy of Sciences, page 626