Where does “bitonality” come from?

bitonality (English) comes from English bitonal, from English tonal, from English tone, from Middle English tone, from Latin tonus, from Ancient Greek τόνος, from Proto-Hellenic tónos, from Proto-Indo-European tónos — to stretch, to extend.

bitonality (English): The simultaneous presence of two keys in a piece...

Definitions

  1. The simultaneous presence of two keys in a piece...

Ancestry of “bitonality”, step by step

StepLanguageWordMeaning
1EnglishbitonalThat has two tonic centres simultaneously; Of or...
2EnglishtonalOf or relating to tones or tonality; Of or...
3EnglishtoneA specific pitch; An interval of a major second;...
4Middle Englishtonethe one
5LatintonusThe stretching or straining of a rope; A strain;...
6Ancient Greekτόνοςrope, cord; chord; tone, note
7Proto-Hellenictónosrope, cord; tension
8Proto-Indo-Europeantónossomething stretched; chord, fiber, string
9Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European ten-Every word from Proto-Indo-European tónosEvery word from Proto-Hellenic tónos