Using this Phoenician letter for just a vowel sound is because of the early Greek alphabets, which adopted the letter "omicron" to symbolize the vowel /o/. The letter was adopted with the value while in the Outdated Italic alphabets, such as the early Latin alphabet. Intelligent Vocabulary: related text https://musica-infantil66543.wizzardsblog.com/37090537/facts-about-o-sapinho-e-a-borboleta-revealed