Where does “czwartek” come from?

czwartek (Polish) comes from Old Polish czwartek, from Proto-Slavic četvьrtъkъ, from Proto-Slavic četvьrtъ, from Proto-Balto-Slavic ketwirtas, from Proto-Indo-European *kʷetwr̥tós — fourth.

czwartek (Polish): Thursday

Definitions

  1. Thursday

Ancestry of “czwartek”, step by step

StepLanguageWordMeaning
1Old PolishczwartekThursday
2Proto-SlavicčetvьrtъkъThursday
3Proto-Slavicčetvьrtъfourth
4Proto-Balto-Slavicketwirtasfourth
5Proto-Indo-European*kʷetwr̥tósfourth

Words derived from “czwartek

Every word from Proto-Indo-European *kʷetwr̥tósEvery word from Proto-Balto-Slavic ketwirtasEvery word from Proto-Slavic četvьrtъ