Where does “okris” come from?

okris (Proto-Celtic) comes from Proto-Indo-European h₂óḱris, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “okris”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	h₂óḱris	top, protrusion; sharp edge, corner
2	Proto-Indo-European	h₂eḱ-	sharp

okris — Etymology, Origin & Word History | Etymology Explorer