Where does “upbrighten” come from?

upbrighten (English) comes from English brighten, from English bright, from Middle English bright, from Old English beorht, from Proto-Germanic *berht, from Proto-Germanic berhtaz, from Proto-Germanic hrabnaz, from Proto-Indo-European ḱorh₂- — army.

upbrighten (English): To make or become brighter

Definitions

  1. To make or become brighter

Ancestry of “upbrighten”, step by step

upbrighten traces back through two separate lines of ancestry.

via English brighten

StepLanguageWordMeaning
1EnglishbrightenTo make bright or brighter in color; To make...
2EnglishbrightVisually dazzling; luminous, lucent, clear,...
3Middle Englishbright
4Old Englishbeorhtbright, clear
5Proto-Germanic*berht
6Proto-Germanicberhtazbright, shining
7Proto-Germanichrabnazraven
8Proto-Indo-Europeanḱorh₂-
9Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
10Proto-Indo-Europeankr̥-to turn, to bend
11Proto-Indo-Europeanker-army

via English up

StepLanguageWordMeaning
1EnglishupAway from the surface of the Earth or other...
2Middle Englishupto a vertical axis
3Old Englishuppup; upstairs
4Proto-West Germanic*upp
Every word from Proto-Indo-European ker-