Where does “microbrush” come from?

microbrush (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.

microbrush (English): A very small brush, especially a very small...

Definitions

  1. A very small brush, especially a very small...

Ancestry of “microbrush”, step by step

microbrush 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 micro

StepLanguageWordMeaning
1EnglishmicroSmall, relatively small; short form of...
2Ancient Greekμικρόςlittle, small
3Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European bʰers-Every word from Proto-Indo-European bʰr̥s-tí-sEvery word from Proto-Germanic bʰurstís