The story
- Russian · derived fromСоюз Советских Социалистических Республик“Union of Soviet Socialist Republics”
- Russian · borrowed fromСССР
- English todaySSSR
Unadapted borrowing from Russian СССР (SSSR). From Russian Союз Советских Социалистических Республик (Sojuz Sovetskix Socialističeskix Respublik, “Union of Soviet Socialist Republics”)
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.