The shape of Latin S arises from Greek Σ by dropping 1 out on the four strokes of that letter. The (angular) S-form composed of a few strokes existed as being a variant on the 4-stroke letter Σ presently while in the epigraphy of Western Greek alphabets, as well as https://bud-naked-flower98542.atualblog.com/37450348/s-no-further-a-mystery