Where does “diapason” come from?

diapason (French) comes from Latin diapason, from Ancient Greek διαπασῶν, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

diapason (French): range, diapason; a tuning fork

Definitions

  1. range, diapason; a tuning fork

Ancestry of “diapason”, step by step

StepLanguageWordMeaning
1Latindiapason—
2Ancient Greekδιαπασῶνoctave
3Ancient Greekδιάthroughout
4Proto-Indo-Europeandwístwice, doubly; in two
5Proto-Indo-Europeandwóh₁two

Words derived from “diapason”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwís →Every word from Ancient Greek διά →