Where does “pětitýdenní” come from?

pětitýdenní (Czech) comes from Czech pět, from Old Czech [[pieti]], [[pěti]], from Proto-Slavic pěti, from Proto-Indo-European poiH-.

pětitýdenní (Czech): five-week

Definitions

  1. five-week

Ancestry of “pětitýdenní”, step by step

pětitýdenní traces back through two separate lines of ancestry.

via Czech pět

StepLanguageWordMeaning
1Czechpětfive; to sing
2Old Czech[[pieti]], [[pěti]]—
3Proto-Slavicpětito sing
4Proto-Indo-EuropeanpoiH-—

via Czech týdenní

StepLanguageWordMeaning
1Czechtýdenníweekly
2Czech-ní-ian, -al, -an; used to derive nouns from verbs
3Proto-Slavic-nьjeDeverbal, forming action nouns
4Proto-Slavic-ьjeDenominal, forming collective nouns; Deverbal ,...
Every word from Proto-Indo-European poiH- →Every word from Proto-Slavic pěti →Every word from Old Czech [[pieti]], [[pěti]] →