Greco-Iberian alphabet lateral, and only one nasal sign. To represent the second rhotic rho gets an additional stroke. Eta is used instead of epsilon to represent /e/. The only letter not found in the modern variant of the Greek alphabet is sampi. The letter forms are petroglyphic since the writing surface (ceramic, stone, lead) affords angular glyphs with straight lines. Greco-Iberian alphabet The Greco-Iberian alphabet is a direct adaptation of an Ionic variant of a Greek alphabet to the specifics of the Iberian language, thus this script is an alphabet and lacks the distinctive characteristic of the rest of paleohispanic scripts that
Delta (letter) Delta (letter) Delta (uppercase Δ, lowercase δ or 𝛿; "délta", ) is the fourth letter of the Greek alphabet. In the system of Greek numerals it has a value of 4. It was derived from the Phoenician letter dalet 𐤃, Letters that come from delta include Latin D and Cyrillic Д. A river delta (originally, the Nile River delta) is so named because its shape approximates the triangular uppercase letter delta. Despite a popular legend, this use of the word "delta" was not coined by Herodotus. In Ancient Greek, delta represented a voiced dental plosive . In Modern Greek, it