Where does “unstaining” come from?

unstaining (English) comes from English staining — present participle of stain.

unstaining (English): Synonym of nonstaining

Definitions

  1. Synonym of nonstaining

Ancestry of “unstaining”, step by step

unstaining traces back through two separate lines of ancestry.

via English staining

StepLanguageWordMeaning
1Englishstainingpresent participle of stain

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from English staining