Where does “bertiare” come from?

bertiare (Vulgar Latin) comes from Gaulish berta, from Proto-Celtic bertā.

Ancestry of “bertiare”, step by step

StepLanguageWordMeaning
1Gaulishberta
2Proto-Celticbertā

Words derived from “bertiare

Every word from Proto-Celtic bertāEvery word from Gaulish berta