Where does “akos” come from?

akos (Proto-Italic) comes from Proto-Indo-European h₂éḱos, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “akos”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	h₂éḱos	tip, bristle; ear/blade of grain, awn, chaff
2	Proto-Indo-European	h₂eḱ-	sharp

akos — Etymology, Origin & Word History | Etymology Explorer