Where does “” come from?

bí (Old Irish) comes from Proto-Celtic bitu, from Proto-Indo-European bʰeyh₂- — to fear, be afraid; to strike, hit; to hew, cut.

(Old Irish): second/third-person singular habitual present...

Definitions

  1. second/third-person singular habitual present...

Ancestry of “”, step by step

traces back through two separate lines of ancestry.

via Proto-Celtic bitu

StepLanguageWordMeaning
1Proto-Celticbitu
2Proto-Indo-Europeanbʰeyh₂-to fear, be afraid; to strike, hit; to hew, cut

via Proto-Celtic *bwiyeti

StepLanguageWordMeaning
1Proto-Celtic*bwiyetito be
2Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “

Every word from Proto-Indo-European bʰeyh₂-Every word from Proto-Celtic bitu