Where does “quadtone” come from?

quadtone (English) comes from English quad, from English quadricycle, from English quadri-, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos — and.

quadtone (English): An interval of four whole tones

Definitions

  1. An interval of four whole tones

Ancestry of “quadtone”, step by step

quadtone traces back through two separate lines of ancestry.

via English quad

StepLanguageWordMeaning
1EnglishquadFour shots of espresso; A kind of round-robin...
2EnglishquadricycleA four-wheeled pedal cycle; A four-wheeled...
3Englishquadri-API; Four
4Latinquattŭorfour; 4
5Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
6Old Portuguesequartoquarter
7Latinquārtusfourth
8Proto-Indo-Europeankʷeturtos
9Proto-Indo-Europeankʷetwóresfour
10Proto-Indo-Europeankʷe-and

via English tone

StepLanguageWordMeaning
1EnglishtoneA specific pitch; An interval of a major second;...
2Middle Englishtonethe one
3LatintonusThe stretching or straining of a rope; A strain;...
4Ancient Greekτόνοςrope, cord; chord; tone, note
5Proto-Hellenictónosrope, cord; tension
6Proto-Indo-Europeantónossomething stretched; chord, fiber, string
7Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European kʷe-