The shape of Latin S arises from Greek Σ by dropping just one out of your 4 strokes of that letter. The (angular) S-condition made up of a few strokes existed for a variant of your 4-stroke letter Σ already within the epigraphy of Western Greek alphabets, along with the https://reidypeth.blogpixi.com/31583915/the-best-side-of-bud-naked