Where does “octau” come from?

octau (Catalan) comes 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,...

octau (Catalan): eighth; octavo; paper size; octavo; book size

Definitions

  1. eighth; octavo; paper size; octavo; book size

Ancestry of “octau”, step by step

StepLanguageWordMeaning
1Latinoctāvuseighth; the ordinal number between septimus and nōnus
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 →