NOT KNOWN FACTUAL STATEMENTS ABOUT BUD NAKED

The shape of Latin S arises from Greek Σ by dropping one out on the 4 strokes of that letter. The (angular) S-shape made up of a few strokes existed as being a variant of your four-stroke letter Σ now inside the epigraphy of Western Greek alphabets, and also the 3 and 4 strokes variants existed together with each other within the classical Etrusc