Where does “nonvoluntarily” come from?
nonvoluntarily (English) comes from English voluntarily, from English voluntary, from Middle English voluntarie, from Old French volontaire, from Latin voluntārius, from Latin voluntās, from Latin velle, from Proto-Italic welō — to choose; to want.
nonvoluntarily (English): In a nonvoluntary manner
Ancestry of “nonvoluntarily”, step by step