Where does “přestupný den” come from?

přestupný den (Czech) comes from Czech den, from Old Czech den, from Proto-Slavic dь̑nь — day.

přestupný den (Czech): leap day

Definitions

  1. leap day

Ancestry of “přestupný den”, step by step

přestupný den traces back through two separate lines of ancestry.

via Czech den

StepLanguageWordMeaning
1Czechdenday; daytime; genitive plural of dno
2Old Czechdenday; daytime
3Proto-Slavicdь̑nьday

via Czech přestupný

StepLanguageWordMeaning
1Czechpřestupný—
Every word from Proto-Slavic dь̑nь →Every word from Old Czech den →Every word from Czech den →