Etimoloji
Etymology tree Proto-Indo-European *seh₂- Proto-Indo-European *-éyti Proto-Indo-European *seh₂y- Proto-Indo-European *seh₂i-l-eh₂? Proto-Balto-Slavic *séiˀlāˀ Proto-Slavic *sìla Old Polish siła Polish siła Proto-Indo-European *-usder. Proto-Indo-European *-osder. Proto-Slavic *-ovъ Old Polish -owy Polish -owy Polish siłowy From siła + -owy.