Where does “okono” come from?

okono (Esperanto) comes from Esperanto ok, from Latin octō, from Proto-Italic oktō, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

okono (Esperanto): an eighth

Definitions

an eighth

Ancestry of “okono”, step by step

Step	Language	Word	Meaning
1	Esperanto	ok	eight
2	Latin	octō	eight; 8
3	Proto-Italic	oktō	eight
4	Proto-Indo-European	oḱtṓw	eight
5	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 →