Where does “bon” come from?

bon (Middle Welsh) comes from Proto-Celtic bonus, from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “bon”, step by step

StepLanguageWordMeaning
1Proto-Celticbonusfoundation, base, butt
2Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “bon”

Every word from Proto-Indo-European bʰuH- →Every word from Proto-Celtic bonus →