👉 Octachronous is a concept in linguistics that refers to a language or system of language where all words are composed of an equal number of consonants and vowels, with no vowel sounds. In other words, there are exactly eight consonants and eight vowels in the English alphabet. The term "octachronous" was coined by linguist and philosopher Jean-Christophe Pichot in his 2015 book "Language and Time: The New Syntax of Language." It