dobrowolny (Polish) comes from Polish wola, from Old Polish wola, from Proto-Slavic *voľà, from Proto-Balto-Slavic wáljāˀ, from Proto-Indo-European welh₁- — to choose; to want.
dobrowolny (Polish): voluntary
Definitions
voluntary
Ancestry of “dobrowolny”, step by step
dobrowolny traces back through two separate lines of ancestry.