Where does “oitavo” come from?

oitavo (Portuguese) comes from Old Portuguese oitavo, 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,...

oitavo (Portuguese): eighth

Definitions

  1. eighth

Ancestry of “oitavo”, step by step

StepLanguageWordMeaning
1Old Portugueseoitavo
2Latinoctāvuseighth; the ordinal number between septimus and nōnus
3Proto-Italicoktāwoseighth
4Proto-Indo-Europeanoḱtṓwoseighth
5Proto-Indo-Europeanoḱtṓweight
6Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...
Every word from Proto-Indo-European aḱ-Every word from Proto-Indo-European oḱtṓwEvery word from Proto-Indo-European oḱtṓwos