Where does “halvtone” come from?

halvtone (Norwegian Nynorsk) comes from Norwegian Nynorsk tone, from Old Norse tóni, 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.

halvtone (Norwegian Nynorsk): a semitone, or halftone (US)

Definitions

  1. a semitone, or halftone (US)

Ancestry of “halvtone”, step by step

halvtone traces back through two separate lines of ancestry.

via Norwegian Nynorsk tone

StepLanguageWordMeaning
1Norwegian Nynorsktonea tone
2Old Norsetóni
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

via Norwegian Nynorsk halv

StepLanguageWordMeaning
1Norwegian Nynorskhalvhalf
2Old Norsehalfrhalf
3Proto-Germanichalbazhalf
4Proto-Indo-European(s)kelH-to cut; to split, to separate
5Proto-Indo-European(s)kel-to bend, crook; bent, crooked; leg, heel, knee,...
Every word from Proto-Indo-European ten-Every word from Proto-Indo-European tónosEvery word from Proto-Hellenic tónos