Where does “unrusty” come from?

unrusty (English) comes from English rusty, from Middle English rusty, from Old English rustiġ, from Proto-Germanic rustagaz — rusty.

unrusty (English): Not rusty

Definitions

  1. Not rusty

Ancestry of “unrusty”, step by step

unrusty traces back through two separate lines of ancestry.

via English rusty

StepLanguageWordMeaning
1EnglishrustyMarked or corroded by rust; Of the rust color,...
2Middle Englishrustyrusty, rusted
3Old Englishrustiġrusty
4Proto-Germanicrustagazrusty

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Germanic rustagazEvery word from Old English rustiġEvery word from Middle English rusty