Where does “bleike” come from?

bleike (Norwegian Nynorsk) comes from Norwegian Nynorsk bleik, from Old Norse bleikr, from Proto-Germanic blaikaz, from Proto-Indo-European bʰloyǵ-os, from Proto-Indo-European bʰleyǵ- — to shine.

bleike (Norwegian Nynorsk): to bleach; definite singular of bleik; plural of...