The shape of Latin S arises from Greek Σ by dropping a single out with the 4 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 already inside the epigraphy of Western Greek alphabets, plus the https://bud-naked-concentrate98631.onesmablog.com/the-basic-principles-of-bud-naked-flower-71806013