The form of Latin S occurs from Greek Σ by dropping just one out of 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 now within the epigraphy of Western Greek alphabets, along with https://judahuselp.bloguerosa.com/30525018/helping-the-others-realize-the-advantages-of-bud-naked-mushrooms