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 the Latin alphabet. Most specialists believe that the Phoenician alphabet was adopted for Greek during the early 8th century BC, perhaps in Euboea. The earliest known fragmentary Greek inscriptions date from this time, 770–750 BC, and they match Phoenician letter forms of c. 800–750 BC. The oldest substantial texts known to date are the Dipylon inscription and the text on the so-called Cup of Nestor, both dated to the late 8th century BC, inscriptions of personal ownership and dedications to a god. Tradition recounts that a daughter of a certain Agamemnon, king of Aeolian Cyme, married a Phrygian king called