Where does “pentatonic” come from?

Pentatonic comes from English penta- combined with tonic, which derives from Ancient Greek τόνος meaning tension or pitch, ultimately from Proto-Indo-European ten- meaning to stretch.

pentatonic (English): Based on five tones; The pentatonic scale

Definitions

  1. Based on five tones; The pentatonic scale

Ancestry of “pentatonic”, step by step

pentatonic traces back through two separate lines of ancestry.

via English tonic

StepLanguageWordMeaning
1EnglishtonicPertaining to tension, especially of muscles;...
2EnglishtoneA specific pitch; An interval of a major second;...
3Middle Englishtonethe one
4LatintonusThe stretching or straining of a rope; A strain;...
5Ancient Greekτόνοςrope, cord; chord; tone, note
6Proto-Hellenictónosrope, cord; tension
7Proto-Indo-Europeantónossomething stretched; chord, fiber, string
8Proto-Indo-Europeanten-to stretch, to extend

via German pentatonisch

StepLanguageWordMeaning
1Germanpentatonisch

Words derived from “pentatonic

Every word from Proto-Indo-European ten-