Where does “třítýdenní” come from?

třítýdenní (Czech) comes from Czech tři, from Old Czech třie, from Proto-Slavic tri, from Proto-Balto-Slavic tríjes, from Proto-Indo-European *tréyes.

třítýdenní (Czech): three-week

Definitions

  1. three-week

Ancestry of “třítýdenní”, step by step

třítýdenní traces back through two separate lines of ancestry.

via Czech tři

StepLanguageWordMeaning
1Czechtřithree
2Old Czechtřiethree
3Proto-Slavictri—
4Proto-Balto-Slavictríjesthree
5Proto-Indo-European*tréyes—

via Czech týden

StepLanguageWordMeaning
1Czechtýdenweek
2Proto-Slavic*tъjьdьnьweek
Every word from Proto-Indo-European *tréyes →Every word from Proto-Balto-Slavic tríjes →Every word from Proto-Slavic tri →