Where does “boudinus” come from?

boudinus (Vulgar Latin) comes from Gaulish boudi, from Proto-Celtic boudi, from Proto-Indo-European bʰówdʰi — victory.

Ancestry of “boudinus”, step by step

Step	Language	Word	Meaning
1	Gaulish	boudi	victory, advantage, profit
2	Proto-Celtic	boudi	profit, gain; victory
3	Proto-Indo-European	bʰówdʰi	victory

boudinus — Etymology, Origin & Word History | Etymology Explorer