Where does “brightnesse” come from?

brightnesse (Middle English) comes from Old English beorhtnes, from Old English beorht, from Proto-Germanic *berht, from Proto-Germanic berhtaz, from Proto-Germanic hrabnaz, from Proto-Indo-European ḱorh₂-, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥- — army.

Ancestry of “brightnesse”, step by step

StepLanguageWordMeaning
1Old Englishbeorhtnesbrightness
2Old Englishbeorhtbright, clear
3Proto-Germanic*berht
4Proto-Germanicberhtazbright, shining
5Proto-Germanichrabnazraven
6Proto-Indo-Europeanḱorh₂-
7Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
8Proto-Indo-Europeankr̥-to turn, to bend
9Proto-Indo-Europeanker-army
Every word from Proto-Indo-European ker-Every word from Proto-Indo-European kr̥-Every word from Proto-Indo-European ḱer-
brightnesse — Etymology, Origin & Word History | Etymology Explorer