Where does “aštā́w” come from?

aštā́w (Proto-Indo-Iranian) comes from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

Ancestry of “aštā́w”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	oḱtṓw	eight
2	Proto-Indo-European	aḱ-	sharp, pointed; sharp, pointed, edgy; sharp,...

aštā́w — Etymology, Origin & Word History | Etymology Explorer