Where does “voluntariness” come from?

Voluntariness comes from Middle English -nesse, Old English -nes, Latin voluntarius, Latin -arius, Latin velle, Latin volo, and Proto-Indo-European gʷelH-, meaning to will or desire.

voluntariness (English): The condition of being voluntary

Definitions

The condition of being voluntary

Ancestry of “voluntariness”, step by step

Step	Language	Word	Meaning
1	English	voluntary	Done, given, or acting of one's own free will;...
2	Middle English	voluntarie	—
3	Old French	volontaire	—
4	Latin	voluntārius	—
5	Latin	voluntās	—
6	Latin	velle	present active infinitive of volō; wish, intend;...
7	Proto-Italic	welō	to want, will
8	Proto-Indo-European	welh₁-	to choose; to want

Every word from Proto-Indo-European welh₁- →

voluntariness — Etymology, Origin & Word History | Etymology Explorer