Where does “крепост” come from?

крепост (Bulgarian) comes from Old Church Slavonic крѣпость, from Proto-Slavic krěpostь, from Proto-Slavic -ostь — Used with adjectival stems to form abstract...

крепост (Bulgarian): fortress, stronghold

Definitions

  1. fortress, stronghold

Ancestry of “крепост”, step by step

StepLanguageWordMeaning
1Old Church Slavonicкрѣпостьstrength
2Proto-Slavickrěpostьstrength
3Proto-Slavic-ostьUsed with adjectival stems to form abstract...
Every word from Proto-Slavic -ostь →Every word from Proto-Slavic krěpostь →Every word from Old Church Slavonic крѣпость →