Where does “overtone” come from?

Overtone derives from English over- plus tone, which comes from Latin tonus, Ancient Greek τόνος (tonos, meaning stretched or taut), ultimately from Proto-Indo-European ten-, meaning to stretch.

overtone (English): A tone whose frequency is an integer multiple of...

Definitions

  1. A tone whose frequency is an integer multiple of...

Ancestry of “overtone”, step by step

overtone traces back through two separate lines of ancestry.

via English over

StepLanguageWordMeaning
1EnglishoverDiscontinued; ended or concluded; Thoroughly;...
2Middle Englishoverriverbank, seashore, brink
3Old Englishōferriverbank, seashore, brink, edge, margin, border
4Proto-West Germanicobarover, above
5Proto-Germanicuberover; over, above
6Proto-Indo-Europeanupérabove; over
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-

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 h₃ewp-
overtone — Etymology, Origin & Word History | Etymology Explorer