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 games in honor of the Muses. The majority of the letters of the Phoenician alphabet were adopted into Greek with much the same sounds as they had had in Phoenician. However, Phoenician, like other Semitic scripts, has a range of consonants, commonly called gutturals, that did not exist in Greek: "’āleph" , "hē" , "ḥēth" , and "‘ayin" . Of these, only "ḥēth" was retained in Greek as a consonant, eta, representing the sound in those dialects that had an [h], while the consonants "’āleph, hē" and "‘ayin" became the vowels alpha , e and o , respectively. Phoenician had