Where does “undertone” come from?

Undertone comes from English under- plus tone, which derives from Latin tonus, from Ancient Greek τόνος meaning a stretching or tension, from the verb τείνω meaning to stretch, ultimately from Proto-Indo-European ten- meaning to stretch or extend.

undertone (English): An auditory tone of low pitch or volume; An...

Definitions

  1. An auditory tone of low pitch or volume; An...

Ancestry of “undertone”, step by step

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

Words derived from “undertone

Every word from Proto-Indo-European ten-
undertone — Etymology, Origin & Word History | Etymology Explorer