Pronunciation of Ancient Greek in teaching Greek, from the reconstructed pronunciation of Ancient Greek and from the pronunciation used in other countries. The Classical Association, therefore, promulgated a new pronunciation as described by W. Sidney Allen in 1987, based on the reconstructed ancient pronunciation, which is now generally in use in British schools. The reforms in the pronunciation of Ancient Greek in schools have not affected the pronunciation of individual Greek-derived words in English itself, and there is now considerable variation in the English pronunciation (and indeed spelling) of the names of Ancient Greek historical or mythological personages or places (see "English words of Greek origin").
Ancient Greek phonology present in English or Modern Greek, such as a three-way distinction between voiced, voiceless, and aspirated stops (such as , as in English "bot, spot, pot"); a distinction between single and double consonants and short and long vowels in most positions in a word; and a word accent that involved pitch. Koine Greek, the variety of Greek used after the conquests of Alexander the Great in the fourth century BC, is sometimes included in Ancient Greek, but its pronunciation is described in Koine Greek phonology. For disagreements with the reconstruction given here, see below. Ancient Greek was a pluricentric language,