Where does “blōde” come from?

blōde (Middle Dutch) comes from Old Dutch blōdi, from Frankish blauthi, from Proto-Germanic blauþuz, from Proto-Indo-European mlew-.

Ancestry of “blōde”, step by step

Step	Language	Word	Meaning
1	Old Dutch	blōdi	—
2	Frankish	blauthi	—
3	Proto-Germanic	blauþuz	weak, feeble, emaciated; lacking, void, naked;...
4	Proto-Indo-European	mlew-	—

blōde — Etymology, Origin & Word History | Etymology Explorer