Where does “ḱúh₃-los” come from?

ḱúh₃-los (Proto-Indo-European) comes from Proto-Indo-European ḱeh₃- — to sharpen, whet; sharpen.

Ancestry of “ḱúh₃-los”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	ḱeh₃-	to sharpen, whet; sharpen

ḱúh₃-los — Etymology, Origin & Word History | Etymology Explorer