The use of this Phoenician letter to get a vowel seem 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 in the Aged Italic alphabets, such as the early Latin alphabet. SMART Vocabulary: https://musicainfantil23220.blogzet.com/the-smart-trick-of-musica-infantil-that-nobody-is-discussing-51880900