Where does “Konieczny” come from?

Konieczny (English) comes from Polish konieczny, from Old Polish konieczny, from Proto-Slavic *konьčьnъ — last, ultimate.

Ancestry of “Konieczny”, step by step

StepLanguageWordMeaning
1Polishkoniecznynecessary
2Old Polishkoniecznyend; final
3Proto-Slavic*konьčьnъlast, ultimate
Every word from Proto-Slavic *konьčьnъ →Every word from Old Polish konieczny →Every word from Polish konieczny →