The story
- Proto-Indo-European*gʷeyh₃-
- Proto-Celtic*bitus?
- Proto-Indo-European*h₃reǵ-
- Proto-Indo-European*h₃rḗǵs
- Proto-Celtic*rīxs?
- GaulishBiturīges
- LatinBurdigala
- Old OccitanBordel
- OccitanBordè
- Middle FrenchBordeaulx
- FrenchBordeaux
- English todayBordeaux
Borrowed from French Bordeaux (Middle French Bordeaulx), from Occitan Bordèu, from Old Occitan Bordel, from Latin Burdigala, from a Proto-Celtic root.
Etymology from Wiktionary, CC BY-SA 4.0.