Where does “kel-to” come from?

kel-to (Proto-Celtic) comes from Proto-Indo-European ḱelh₂- — to pierce, strike; to stick; prick; stab.

Ancestry of “kel-to”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	ḱelh₂-	to pierce, strike; to stick; prick; stab

kel-to — Etymology, Origin & Word History | Etymology Explorer