Where does “unbrush” come from?

unbrush (English) comes from English Brush, from Middle English brusshe, from Old French broisse, from Vulgar Latin brustia, from Icelandic bursti, from Proto-Germanic burstiz, from Proto-Germanic bʰurstís, from Proto-Indo-European bʰr̥s-tí-s — top, tip, point.

unbrush (English): To undo the result of brushing

Definitions

  1. To undo the result of brushing

Ancestry of “unbrush”, step by step

unbrush traces back through two separate lines of ancestry.

via English Brush

StepLanguageWordMeaning
1EnglishBrushAn implement consisting of multiple more or less flexible bristles or other filaments attached to a handle, used for any of various purposes including cleaning, painting, and arranging hair
2Middle Englishbrusshe
3Old Frenchbroisse
4Vulgar Latinbrustia
5Icelandicburstibrush
6Proto-Germanicburstizbristle
7Proto-Germanicbʰurstís
8Proto-Indo-Europeanbʰr̥s-tí-s
9Proto-Indo-Europeanbʰers-top, tip, point

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European bʰers-Every word from Proto-Indo-European bʰr̥s-tí-sEvery word from Proto-Germanic bʰurstís