Where does “bacadh” come from?

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

bacadh (Irish): balk, hindrance

Definitions

balk, hindrance

Ancestry of “bacadh”, step by step

Step	Language	Word	Meaning
1	Irish	bac	barrier, block, balk, hindrance; bottleneck,...
2	Old Irish	bacc	angle, bend, corner; angle, bend; hindrance, act...
3	Proto-Celtic	bakkos	hook, stick
4	Proto-Indo-European	baḱ-	club, pointed stick, peg; pointed stick, peg

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