Gulag
Russian, from G(lavnoe) u(pravlenie ispravitelʹno-trudovykh) lag(ereĭ) ‘Chief Administration for Corrective Labour Camps’.
wiktionary
Borrowed from Russian ГУЛА́Г(GULÁG), the acronym of Гла́вное управле́ние исправи́тельно- трудовы́х лагере́й(Glávnoje upravlénije ispravítelʹno-trudovýx lageréj, “Chief Administration of Corrective-Labor Camps”), [1] the government agency in charge of the Soviet Union’s network of forced labour camps, which was established in 1918 and formally abolished in 1960: see GULAG.
etymonline
gulag (n.)
system of prisons and labor camps, especially for political detainees, in the former Soviet Union; rough acronym from Russian Glavnoe upravlenie ispravitel'no-trudovykh lagerei "Chief Administration of Corrective Labor Camps," set up in 1931.
