A transliteration of the Russian surname Е́льцин (Jélʹcin).

the outward appearance of democracy, while actually concentrating power in a form of authoritarianism / the economic and social chaos as a result of the decline of the authority of the Russian state

Of or relating to Boris Yeltsin (Russian: Бори́с Е́льцин; 1931–2007), Russian politician and the first President of the Russian Federation, serving from 1991 to 1999.