Where does “octo-” come from?

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

Ancestry of “octo-”, step by step

StepLanguageWordMeaning
1Latinoctōeight; 8
2Proto-Italicoktōeight
3Proto-Indo-Europeanoḱtṓweight
4Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...

Words derived from “octo-”

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