The form of Latin S occurs from Greek Σ by dropping a person out of the four strokes of that letter. The (angular) S-shape made up of a few strokes existed to be a variant of the 4-stroke letter Σ already within the epigraphy of Western Greek alphabets, along with https://bud-naked-exotic21863.uzblog.net/not-known-factual-statements-about-bud-naked-45364937