The use of this Phoenician letter to get a vowel sound is due to the early Greek alphabets, which adopted the letter "omicron" to stand for the vowel /o/. The letter was adopted with the worth while in the Previous Italic alphabets, including the early Latin alphabet. Clever Vocabulary: https://musicainfantil99876.blogtov.com/17635435/new-step-by-step-map-for-musica-infantil