The usage of this Phoenician letter to get a vowel audio is a result of the early Greek alphabets, which adopted the letter "omicron" to depict the vowel /o/. The letter was adopted with the value within the Old Italic alphabets, such as the early Latin alphabet. Clever Vocabulary: https://musica-infantil13221.techionblog.com/37231376/5-tips-about-musica-infantil-you-can-use-today