The usage 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 in the Old Italic alphabets, such as the early Latin alphabet. Wise Vocabulary: https://sapinho-pula-pula67665.blogmazing.com/36120504/little-known-facts-about-musica-infantil