Where does “rustless” come from?

rustless (English) comes from English rust, from Middle English rust, from Old English rūst, from Proto-Germanic rustaz, from Proto-Indo-European rudʰso-, from Proto-Indo-European h₁rewdʰ- — red.

rustless (English): That does not rust; stainless; Without rust;...

Definitions

  1. That does not rust; stainless; Without rust;...

Ancestry of “rustless”, step by step

rustless traces back through two separate lines of ancestry.

via English rust

StepLanguageWordMeaning
1EnglishrustThe deteriorated state of iron or steel as a...
2Middle Englishrustrust oxidisation of iron or steel
3Old Englishrūstrust
4Proto-Germanicrustazrust
5Proto-Indo-Europeanrudʰso-red
6Proto-Indo-Europeanh₁rewdʰ-red

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus—

Words derived from “rustless”

Every word from Proto-Indo-European h₁rewdʰ- →