The usage of this Phoenician letter for the vowel audio is mainly because of the early Greek alphabets, which adopted the letter "omicron" to represent the vowel /o/. The letter was adopted with the value within the Old Italic alphabets, including the early Latin alphabet. Wise Vocabulary: related text https://emilioirzej.digiblogbox.com/61553752/new-step-by-step-map-for-musica-infantil