Where does “Flandres” come from?

Flandres (Old French) comes from Middle Dutch vlaendren, from Old Dutch flāmdra-, from Old Frisian flāmdra-, from Proto-Germanic flaumaz, from Proto-Indo-European plew- — to fly, flow, run.

Ancestry of “Flandres”, step by step

StepLanguageWordMeaning
1Middle DutchvlaendrenFlanders
2Old Dutchflāmdra-—
3Old Frisianflāmdra-—
4Proto-Germanicflaumazstream; current; flood; eddy
5Proto-Indo-Europeanplew-to fly, flow, run

Words derived from “Flandres”

Every word from Proto-Indo-European plew- →Every word from Proto-Germanic flaumaz →Every word from Old Dutch flāmdra- →