Where does “Belux” come from?

Belux (Dutch) comes from English Luxembourg, from Middle High German Luccelemburc, from Old High German Lucilinburhuc, from Old High German luzil, from Proto-Germanic luttilaz, from Proto-Germanic lūtilaz, from Proto-Germanic burgz, from Proto-Indo-European bʰr̥ǵʰ-.

Ancestry of “Belux”, step by step

Belux traces back through two separate lines of ancestry.

via English Luxembourg

StepLanguageWordMeaning
1EnglishLuxembourg—
2Middle High GermanLuccelemburc—
3Old High GermanLucilinburhuc—
4Old High Germanluzillittle
5Proto-Germanicluttilaz—
6Proto-Germaniclūtilazbent; tending to stoop; crouching; little
7Proto-Germanicburgzfortification, stronghold; city
8Proto-Indo-Europeanbʰr̥ǵʰ-—

via English Belgium

StepLanguageWordMeaning
1EnglishBelgiumThe Low Countries
2LatinBelgium—
3LatinBelgica—
4LatinbelgicusBelgic
5LatinBelgaethe Belgians; Belgians
6Proto-Celticbolg-to swell
7Proto-Indo-Europeanbʰelgʰ-to bulge, swell
Every word from Proto-Indo-European bʰr̥ǵʰ- →Every word from Proto-Germanic burgz →Every word from Proto-Germanic lūtilaz →