Where does “октябр” come from?

октябр (Tajik) comes from Russian октя́брь, from Latin octōber, from Latin octō, from Proto-Italic oktō, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

октябр (Tajik): October

Definitions

October

Ancestry of “октябр”, step by step

Step	Language	Word	Meaning
1	Russian	октя́брь	October
2	Latin	octōber	of October
3	Latin	octō	eight; 8
4	Proto-Italic	oktō	eight
5	Proto-Indo-European	oḱtṓw	eight
6	Proto-Indo-European	aḱ-	sharp, pointed; sharp, pointed, edgy; sharp,...

Every word from Proto-Indo-European aḱ- →Every word from Proto-Indo-European oḱtṓw →Every word from Proto-Italic oktō →