Where does “ブリュッセル” come from?

ブリュッセル (Japanese) comes from Dutch Brussel, from Old Dutch bruoc, from Proto-Germanic brōks, from Proto-Germanic brāks, from Proto-Indo-European bʰrāg-, from Proto-Indo-European bʰrēǵ- — to shine, shimmer.

Ancestry of “ブリュッセル”, step by step

ブリュッセル traces back through two separate lines of ancestry.

via Dutch Brussel

StepLanguageWordMeaning
1DutchBrusselBrussels
2Old Dutchbruoctrousers, pants, breeches; wetland, marsh
3Proto-Germanicbrōksrear end, rump, hindquarters; leggings, pants,...
4Proto-Germanicbrāks
5Proto-Indo-Europeanbʰrāg-rump, hock, hindquarters
6Proto-Indo-Europeanbʰrēǵ-to shine, shimmer

via French Bruxelles

StepLanguageWordMeaning
1FrenchBruxelles
2Proto-Germanic*sali
3Proto-Germanicsalizhouse; dwelling; hall; room
4Proto-Indo-Europeansol-whole
Every word from Proto-Indo-European bʰrēǵ-Every word from Proto-Indo-European bʰrāg-Every word from Proto-Germanic brāks
ブリュッセル — Etymology, Origin & Word History | Etymology Explorer