Etimoloji
Etymology tree Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Indo-European *h₂pó Proto-Balto-Slavic *pa Proto-Slavic *po Proto-Slavic *po- Proto-Indo-European *kʷyeh₁- Proto-Slavic *kojь Proto-Slavic *pokòjь Old Polish pokój Polish pokój Proto-Indo-European *-usder. Proto-Indo-European *-osder. Proto-Slavic *-ovъ Old Polish -owy Polish -owy Polish pokojowy…