Where does “boð” come from?

boð (Proto-Brythonic) comes from Proto-Celtic butā, from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “boð”, step by step

boð traces back through two separate lines of ancestry.

via Proto-Celtic butā

StepLanguageWordMeaning
1Proto-Celticbutāhut, cabin
2Proto-Indo-EuropeanbʰuH-to become, grow, appear

via Proto-Celtic bodos

StepLanguageWordMeaning
1Proto-Celticbodosgood will
2Proto-Indo-Europeanbʰed-to improve, make better

Words derived from “boð

Every word from Proto-Indo-European bʰuH-Every word from Proto-Celtic butā