Where does “każdziureczny” come from?

każdziureczny (Polish) comes from Polish każdziurny, from Polish każdy, from Old Polish każdy, from Proto-Slavic *kažьde.

Ancestry of “każdziureczny”, step by step

StepLanguageWordMeaning
1Polishkażdziurny
2Polishkażdyeach, every
3Old Polishkażdyeach, every
4Proto-Slavic*kažьde
Every word from Proto-Slavic *kažьdeEvery word from Old Polish każdyEvery word from Polish każdy