köken: Etymology tree Proto-Indo-European *per- Proto-Balto-Slavic *prṓˀwas Proto-Slavic *pràvъ Old Polish prawy Proto-Slavic *-e Old Polish -ie Old Polish prawie Polish prawie Inherited from Old Polish prawie. By surface analysis, prawy + -ie. Etymology 1, particle sense 1 is an extension of etymology 1, particle sense 2. Compare Kashubian prawie and Slovincian prawjê.