Where does “bun” come from?

bun (Irish) comes from Old Irish bun, from Proto-Celtic bonus, from Proto-Indo-European bʰuH- — to become, grow, appear.

bun (Irish): base, bottom; stock, stump, trunk; lower end

Definitions

  1. base, bottom; stock, stump, trunk; lower end

Ancestry of “bun”, step by step

StepLanguageWordMeaning
1Old Irishbunbase; bottom; butt
2Proto-Celticbonusfoundation, base, butt
3Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “bun

Every word from Proto-Indo-European bʰuH-Every word from Proto-Celtic bonusEvery word from Old Irish bun