Where does “diphthongus” come from?

diphthongus (Late Latin) comes from Ancient Greek δίφθογγος, from Ancient Greek δί-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

diphthongus (Late Latin): diphthong

Definitions

  1. diphthong

Ancestry of “diphthongus”, step by step

StepLanguageWordMeaning
1Ancient Greekδίφθογγοςwith two sounds; a diphthong
2Ancient Greekδί-Twice, double
3Ancient Greekδιάthroughout
4Proto-Indo-Europeandwístwice, doubly; in two
5Proto-Indo-Europeandwóh₁two

Words derived from “diphthongus”

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