Where does “hårbørste” come from?
hårbørste (Norwegian Bokmål) comes from Norwegian Bokmål børste, from German Bürste, from Middle High German bürste, from Old High German burst, from Proto-Germanic burstiz, from Proto-Germanic bʰurstís, from Proto-Indo-European bʰr̥s-tí-s, from Proto-Indo-European bʰers- — top, tip, point.
hårbørste (Norwegian Bokmål): a hairbrush
Ancestry of “hårbørste”, step by step