The use of this Phoenician letter for any vowel audio is a result of the early Greek alphabets, which adopted the letter "omicron" to stand for the vowel /o/. The letter was adopted with the worth during the Outdated Italic alphabets, including the early Latin alphabet. Spotify is unavailable https://jaredxejmr.blogocial.com/the-smart-trick-of-musica-infantil-that-nobody-is-discussing-72847832