Where does “ルクセンブルク大公国” come from?

ルクセンブルク大公国 (Japanese) comes from Japanese ルクセンブルク, from German Luxemburg, 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.

Ancestry of “ルクセンブルク大公国”, step by step

ルクセンブルク大公国 traces back through two separate lines of ancestry.

via Japanese ルクセンブルク

StepLanguageWordMeaning
1JapaneseルクセンブルクLuxembourg; Luxemburg
2GermanLuxemburg
3Middle High GermanLuccelemburc
4Old High GermanLucilinburhuc
5Old High Germanluzillittle
6Proto-Germanicluttilaz
7Proto-Germaniclūtilazbent; tending to stoop; crouching; little
8Proto-Germanicburgzfortification, stronghold; city
9Proto-Indo-Europeanbʰr̥ǵʰ-

via Japanese 大公国

StepLanguageWordMeaning
1Japanese大公国a grand duchy
2Japanese大公a grand duke
3Japanesebig, large; the large part of; arch-
4Old Japanesebig, large; large
5Proto-Japonicəpəbig, large; many
Every word from Proto-Indo-European bʰr̥ǵʰ-Every word from Proto-Germanic burgzEvery word from Proto-Germanic lūtilaz
ルクセンブルク大公国 — Etymology, Origin & Word History | Etymology Explorer