Where does “Ottavia” come from?

Ottavia (Italian) comes from Latin Octāvia, from Latin Octāvius, from Latin octāvus, 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 “Ottavia”, step by step

StepLanguageWordMeaning
1LatinOctāvia—
2LatinOctāvius—
3Latinoctāvuseighth; the ordinal number between septimus and nōnus
4Proto-Italicoktāwoseighth
5Proto-Indo-Europeanoḱtṓwoseighth
6Proto-Indo-Europeanoḱtṓweight
7Proto-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 →