Where does “четвёртая” come from?

четвёртая (Russian) comes from Russian четвёртый, from Old East Slavic четвьртъ, from Proto-Slavic četvьrtъ, from Proto-Balto-Slavic ketwirtas, from Proto-Indo-European *kʷetwr̥tós — fourth.

четвёртая (Russian): nominative feminine singular of четвёртый; fourth...

Definitions

  1. nominative feminine singular of четвёртый; fourth...

Ancestry of “четвёртая”, step by step

StepLanguageWordMeaning
1Russianчетвёртыйfourth
2Old East Slavicчетвьртъfourth
3Proto-Slavicčetvьrtъfourth
4Proto-Balto-Slavicketwirtasfourth
5Proto-Indo-European*kʷetwr̥tósfourth
Every word from Proto-Indo-European *kʷetwr̥tósEvery word from Proto-Balto-Slavic ketwirtasEvery word from Proto-Slavic četvьrtъ
четвёртая — Etymology, Origin & Word History | Etymology Explorer