1º_ It is the union of the sound of two vowels in one, without dividing it as different syllables. The origin of this word is Greek and is formed by 948; 953;- (di- "two") 966; 952; 959; 947; 947; 959; 962; (phthongos "sound"). See trypthong, hiatus ("diphthong cutting"). 2º_ Inflection of the verb diphthong . See verbs/diphthong .
