Where does “ottobrino” come from?

ottobrino (Italian) comes from Italian ottobre, 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,...

ottobrino (Italian): October, of October

Definitions

October, of October

Ancestry of “ottobrino”, step by step

Step	Language	Word	Meaning
1	Italian	ottobre	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 →