The form of Latin S occurs from Greek Σ by dropping one out in the four strokes of that letter. The (angular) S-shape composed of three strokes existed as a variant from the four-stroke letter Σ currently inside the epigraphy of Western Greek alphabets, plus the 3 and four strokes https://reidypeth.blogpixi.com/31583915/the-best-side-of-bud-naked