Greek alphabet glottal ("heth") was borrowed in two different functions by different dialects of Greek: as a letter for /h/ (Η, heta) by those dialects that had such a sound, and as an additional vowel letter for the long (Η, eta) by those dialects that lacked the consonant. Eventually, a seventh vowel letter for the long (Ω, omega) was introduced. Greek also introduced three new consonant letters for its aspirated plosive sounds and consonant clusters: Φ ("phi") for , Χ ("chi") for and Ψ ("psi") for . In western Greek variants, Χ was instead used for and Ψ for . The origin
History of the Greek alphabet Midas. This link may have facilitated the Greeks "borrowing" their alphabet from the Phrygians because the Phrygian letter shapes are closest to the inscriptions from Aeolis. Some scholars argue for earlier dates: Naveh (1973) for the 11th century BC, Stieglitz (1981) for the 14th century, Bernal (1990) for the 18th–13th century, some for the 9th, but none of these are widely accepted. According to legends recounted by Herodotus, the alphabet was first introduced to Greece by a Phoenician named Cadmus: Herodotus estimates that Cadmus lived sixteen hundred years earlier, or around 2000 BC. He had seen and described the Cadmean