The form of Latin S occurs from Greek Σ by dropping a person out of the four strokes of that letter. The (angular) S-condition made up of a few strokes existed to be a variant of the 4-stroke letter Σ now in the epigraphy of Western Greek alphabets, as well https://lorenzorlbqe.jaiblogs.com/58323111/s-no-further-a-mystery