vrijwillig (Dutch) comes from Dutch vrij, from Middle Dutch vri, from Old Dutch frī, from Proto-West Germanic frī, from Proto-Germanic frijaz, from Proto-Indo-European priHós, from Proto-Indo-European preyH- — to love, to please.
vrijwillig (Dutch): voluntary, of one's own free will
Definitions
voluntary, of one's own free will
Ancestry of “vrijwillig”, step by step
vrijwillig traces back through two separate lines of ancestry.