About 1000 bce, in Byblos together with other Phoenician and Canaanite centres, the sign was provided a round sort (three), the supply of all later on kinds. From the Semitic languages the indication was called ʿayin Late Renaissance or early Baroque style and design of an O, from 1627 https://deanecbzw.canariblogs.com/the-definitive-guide-to-o-sapinho-e-a-borboleta-51937640