Russian

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Etymology

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Initialism of Федера́льная слу́жба исполне́ния наказа́ний (Federálʹnaja slúžba ispolnénija nakazánij, Federal Penitentiary Service).

Pronunciation

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Proper noun

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ФСИН (FSINf inan (indeclinable)

  1. Federal Penitentiary Service in Russia (successor organization to the Soviet ГУЛА́Г (GULÁG) and Russian ГУИ́Н (GUÍN)