Etimoloji
Etymology tree German wahrenbor. Proto-Indo-European *h₂euh₁-der.? Proto-Slavic *-ovati Old Polish -ować Polish -ować Polish warować Proto-Indo-European *-nós Proto-Balto-Slavic *-inas Proto-Slavic *-ьnъ Old Polish -ny Polish -ny Polish warowny From warować + -ny.