Where does “dintless” come from?

dintless (English) comes from English dint, from Middle English dint, from Old English dynt, from Proto-West Germanic *dunti, from Proto-Germanic duntiz, from Proto-Indo-European dʰén- — surface.

dintless (English): Without a dint

Definitions

Without a dint

Ancestry of “dintless”, step by step

dintless traces back through two separate lines of ancestry.

via English dint

Step	Language	Word	Meaning
1	English	dint	A blow, stroke, especially dealt in a fight;...
2	Middle English	dint	The landing of a weapon; a blow or stroke;...
3	Old English	dynt	blow, strike
4	Proto-West Germanic	*dunti	—
5	Proto-Germanic	duntiz	shock, impact, blow
6	Proto-Indo-European	dʰén-	surface

via English less

Step	Language	Word	Meaning
1	English	less	To a smaller extent or degree; comparative form...
2	Middle English	les	false; lying; deceptive; falsehood; a lie
3	Old English	lēas	false, lax; false, void, loose; devoid of, loose...
4	Proto-Germanic	*laus	—

Every word from Proto-Indo-European dʰén- →Every word from Proto-Germanic duntiz →Every word from Proto-West Germanic *dunti →