Where does “ketvirtokas” come from?

ketvirtokas (Lithuanian) comes from Lithuanian ketvirtas, from Proto-Balto-Slavic ketwirtas, from Proto-Indo-European *kʷetwr̥tós — fourth.

ketvirtokas (Lithuanian): A pupil who is in fourth grade

Definitions

  1. A pupil who is in fourth grade

Ancestry of “ketvirtokas”, step by step

StepLanguageWordMeaning
1Lithuanianketvirtasfourth
2Proto-Balto-Slavicketwirtasfourth
3Proto-Indo-European*kʷetwr̥tósfourth
Every word from Proto-Indo-European *kʷetwr̥tós →Every word from Proto-Balto-Slavic ketwirtas →Every word from Lithuanian ketvirtas →