The use of this Phoenician letter to get a vowel audio is as a result of early Greek alphabets, which adopted the letter "omicron" to stand for the vowel /o/. The letter was adopted with the value within the Old Italic alphabets, including the early Latin alphabet. Intelligent Vocabulary: https://jasperuchov.nizarblog.com/37355712/new-step-by-step-map-for-o-sapinho-e-a-borboleta