Where does “oitavo” come from?

oitavo (Latin) comes from Latin octavus, from Proto-Italic oktāwos, from Proto-Indo-European oḱtṓwos, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

Ancestry of “oitavo”, step by step

StepLanguageWordMeaning
1Latinoctavuseighth; the ordinal number between "septimus" and...
2Proto-Italicoktāwoseighth
3Proto-Indo-Europeanoḱtṓwoseighth
4Proto-Indo-Europeanoḱtṓweight
5Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...
Every word from Proto-Indo-European aḱ- →Every word from Proto-Indo-European oḱtṓw →Every word from Proto-Indo-European oḱtṓwos →