The use of this Phoenician letter for a vowel seem is mainly because of the early Greek alphabets, which adopted the letter "omicron" to stand for the vowel /o/. The letter was adopted with the worth inside the Old Italic alphabets, such as the early Latin alphabet. Sensible Vocabulary: https://donovanytzdg.thezenweb.com/new-step-by-step-map-for-musica-infantil-75317013