Where does “bekkos” come from?

bekkos (Gaulish) comes from Proto-Celtic bekkos, from Proto-Indo-European baḱ- — club, pointed stick, peg; pointed stick, peg.

Ancestry of “bekkos”, step by step

Step	Language	Word	Meaning
1	Proto-Celtic	bekkos	beak, snout
2	Proto-Indo-European	baḱ-	club, pointed stick, peg; pointed stick, peg

bekkos — Etymology, Origin & Word History | Etymology Explorer