Ancient Greek Ancient Greek The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BCE to the 6th century CE. It is often roughly divided into the Archaic period (9th to 6th centuries BCE), Classical period (5th and 4th centuries BCE), and Hellenistic period (Koine Greek, 3rd century BCE to the 4th century CE). It is antedated in the second millennium BCE by Mycenaean Greek and succeeded by medieval Greek. Koine is regarded as a separate historical stage of its own, although in its earliest form it closely resembled Attic
Ancient Greek phonology at the end of a phrase. This usage was standardized in the Byzantine era, and is used in modern editions of Ancient Greek texts. Here it might mark a lowered version of a high-pitched syllable. Greek underwent many sound changes. Some occurred between Proto-Indo-European (PIE) and Proto-Greek (PGr), some between the Mycenaean Greek and Ancient Greek periods, which are separated by about 300 years (the Greek Dark Ages), and some during the Koine Greek period. Some sound changes occurred only in particular Ancient Greek dialects, not in others, and certain dialects, such as Boeotian and Laconian, underwent sound changes similar