Where does “cztwarty” come from?
cztwarty (Old Polish) comes from Proto-Slavic četvьrtъ, from Proto-Balto-Slavic ketwirtas, from Proto-Indo-European *kʷetwr̥tós.
cztwarty (Old Polish): fourth
Ancestry of “cztwarty”, step by step
Words derived from “cztwarty”