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Where does “contra-octave” come from?

contra-octave (English) comes from English octave, 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,...

contra-octave (English): The octave directly below the great octave

Definitions

  1. The octave directly below the great octave

Ancestry of “contra-octave”, step by step

StepLanguageWordMeaning
1EnglishoctaveAn interval of twelve semitones spanning eight...
2Latinoctāvus—
3Proto-Italicoktāwos—
4Proto-Indo-Europeanoḱtṓwos—
5Proto-Indo-Europeanoḱtṓweight
6Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...
Every word from Proto-Indo-European aḱ- →