Where does “atonic” come from?

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

atonic (English): unstressed; not having tone; Lacking muscle tone

Definitions

  1. unstressed; not having tone; Lacking muscle tone

Ancestry of “atonic”, step by step

atonic 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 French atonique

StepLanguageWordMeaning
1Frenchatoniqueatonic of sound, toneless

Words derived from “atonic

Every word from Proto-Indo-European ten-Every word from Proto-Indo-European tónosEvery word from Proto-Hellenic tónos
atonic — Etymology, Origin & Word History | Etymology Explorer