Where does “pětiletý” come from?

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

pětiletý (Czech): five-year, five-year-long

Definitions

  1. five-year, five-year-long

Ancestry of “pětiletý”, step by step

StepLanguageWordMeaning
1Czechpětfive; to sing
2Old Czech[[pieti]], [[pěti]]—
3Proto-Slavicpětito sing
4Proto-Indo-EuropeanpoiH-—
Every word from Proto-Indo-European poiH- →Every word from Proto-Slavic pěti →Every word from Old Czech [[pieti]], [[pěti]] →