Etymology Explorer › Old East Slavic

Where does “четвьртъкъ” come from?

четвьртъкъ (Old East Slavic) comes from Proto-Slavic četvьrtъkъ, from Proto-Slavic četvьrtъ, from Proto-Balto-Slavic ketwirtas, from Proto-Indo-European *kʷetwr̥tós.

Ancestry of “четвьртъкъ”, step by step

StepLanguageWordMeaning
1Proto-SlavicčetvьrtъkъThursday
2Proto-Slavicčetvьrtъfourth
3Proto-Balto-Slavicketwirtasfourth
4Proto-Indo-European*kʷetwr̥tós—
Every word from Proto-Indo-European *kʷetwr̥tós →