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 already during the epigraphy of Western Greek alphabets, and also https://s75218.bloggazzo.com/30629106/a-secret-weapon-for-bud-naked-mushrooms