Where does “bíathaigid” come from?

bíathaigid (Old Irish) comes from Old Irish biad, from Old Irish bíad, from Proto-Celtic *beitom, from Proto-Indo-European gʷeyh₃tom, from Proto-Indo-European gʷeyh₃- — to live.

bíathaigid (Old Irish): feeds, nourishes; supports

Definitions

  1. feeds, nourishes; supports

Ancestry of “bíathaigid”, step by step

StepLanguageWordMeaning
1Old IrishbiadAlternative form of bíad; third-person singular...
2Old Irishbíadfood; Alternative form of ·bïad
3Proto-Celtic*beitomfood
4Proto-Indo-Europeangʷeyh₃tom—
5Proto-Indo-Europeangʷeyh₃-to live
Every word from Proto-Indo-European gʷeyh₃- →Every word from Proto-Indo-European gʷeyh₃tom →Every word from Proto-Celtic *beitom →