Where does “diphtongue” come from?

diphtongue (Middle French) comes from Latin diphthongus, from Ancient Greek δῐ́φθογγος — with two sounds.

Ancestry of “diphtongue”, step by step

Step	Language	Word	Meaning
1	Latin	diphthongus	diphthong
2	Ancient Greek	δῐ́φθογγος	with two sounds

Words derived from “diphtongue”

Every word from Ancient Greek δῐ́φθογγος →Every word from Latin diphthongus →