Where does “แฟลนเดอส์” come from?

แฟลนเดอส์ (Thai) comes from English Flanders, from Middle English Flaunders, from Old French Flandres, 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 “แฟลนเดอส์”, step by step

StepLanguageWordMeaning
1EnglishFlandersThe principal railway station in Lille, capital of the above
2Middle EnglishFlaunders—
3Old FrenchFlandres—
4Middle DutchvlaendrenFlanders
5Old Dutchflāmdra-—
6Old Frisianflāmdra-—
7Proto-Germanicflaumazstream; current; flood; eddy
8Proto-Indo-Europeanplew-to fly, flow, run
Every word from Proto-Indo-European plew- →Every word from Proto-Germanic flaumaz →Every word from Old Dutch flāmdra- →