1º_ It is the union of the sound of three vowels in one, without dividing it as different syllables. The origin of this word is Greek and is formed by 964; 961; 953;- ( tri- "three" ) 966; 952; 959; 947; 947; 959; 962; (phthongos "sound"). See diphthong . 2º_ Inflection of the verb triphthongar . See verbs/trypthong .
