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