Where does “крепостничество” come from?
крепостничество (Russian) comes from Russian крепостно́й, from Russian кре́пость, from Old East Slavic крѣпость, from Proto-Slavic krěpostь, from Proto-Slavic -ostь — Used with adjectival stems to form abstract...
крепостничество (Russian): serfdom
Ancestry of “крепостничество”, step by step