Where does “superoctave” come from?

superoctave (English) comes from English super, from English super-ego, from German Über-Ich, from German Ich, from Middle High German ich, from Old High German ih, from Proto-West Germanic ik, from Proto-Germanic *ek — I.

superoctave (English): The octave above another; A coupler in the organ...

Definitions

  1. The octave above another; A coupler in the organ...

Ancestry of “superoctave”, step by step

superoctave traces back through two separate lines of ancestry.

via English super

StepLanguageWordMeaning
1EnglishsuperOf excellent quality, superfine; better than...
2Englishsuper-egoAlternative spelling of superego
3GermanÜber-Ichsuperego
4GermanIchego, the Ich; self, me, him, etc
5Middle High GermanichI
6Old High GermanihI
7Proto-West GermanicikI
8Proto-Germanic*ek
9Proto-Indo-Europeanéǵh₂I

via English octave

StepLanguageWordMeaning
1EnglishoctaveAn interval of twelve semitones spanning eight...
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 éǵh₂Every word from Proto-Germanic *ekEvery word from Proto-West Germanic ik