blö (North Frisian) comes from Old Frisian blā, from Proto-West Germanic blāan, from Proto-Germanic blēaną, from Proto-Indo-European bʰléh₁-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.
blö (North Frisian): blue
Definitions
blue
Ancestry of “blö”, step by step
blö traces back through two separate lines of ancestry.