Where does “Skonieczny” come from?

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

Ancestry of “Skonieczny”, step by step

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