Where does “diphthongic” come from?

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

diphthongic (English): Of the nature of diphthong; diphthongal

Definitions

  1. Of the nature of diphthong; diphthongal

Ancestry of “diphthongic”, step by step

diphthongic traces back through two separate lines of ancestry.

via English diphthong

StepLanguageWordMeaning
1EnglishdiphthongA complex vowel sound that begins with the sound...
2Frenchdiphtonguediphthong; digraph, trigraph; first-person...
3Latindiphthongusdiphthong
4Ancient Greekδῐ́φθογγοςwith two sounds

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Ancient Greek δῐ́φθογγος →Every word from Latin diphthongus →Every word from French diphtongue →