Where does “čtvrťák” come from?

čtvrťák (Czech) comes from Czech čtvrt, from Proto-Slavic četvьrtь, from Proto-Slavic četvьrtъ, from Proto-Balto-Slavic ketwirtas, from Proto-Indo-European *kʷetwr̥tós — fourth.

čtvrťák (Czech): quarter; a fourth grader

Definitions

  1. quarter; a fourth grader

Ancestry of “čtvrťák”, step by step

čtvrťák traces back through two separate lines of ancestry.

via Czech čtvrt

StepLanguageWordMeaning
1Czechčtvrtquarter
2Proto-Slavicčetvьrtь
3Proto-Slavicčetvьrtъfourth
4Proto-Balto-Slavicketwirtasfourth
5Proto-Indo-European*kʷetwr̥tósfourth

via Czech čtvrtý

StepLanguageWordMeaning
1Czechčtvrtýfourth
Every word from Proto-Indo-European *kʷetwr̥tósEvery word from Proto-Balto-Slavic ketwirtasEvery word from Proto-Slavic četvьrtъ