Where does “bacaidí” come from?

bacaidí (Irish) comes from Irish bacach, from Old Irish baccach, from Old Irish bacc, from Proto-Celtic bakkos, from Proto-Indo-European baḱ- — club, pointed stick, peg; pointed stick, peg.

Ancestry of “bacaidí”, step by step

StepLanguageWordMeaning
1Irishbacachlame; halting, imperfect; lame person
2Old Irishbaccachlame; lame person
3Old Irishbaccangle, bend, corner; angle, bend; hindrance, act...
4Proto-Celticbakkoshook, stick
5Proto-Indo-Europeanbaḱ-club, pointed stick, peg; pointed stick, peg

Words derived from “bacaidí

Every word from Proto-Indo-European baḱ-Every word from Proto-Celtic bakkosEvery word from Old Irish bacc