Ancient Greek dialects by the grammarians under the terms 'lexeis' or 'glôssai'. The dialects of Classical Antiquity are grouped slightly differently by various authorities. Pamphylian is a marginal dialect of Asia Minor and is sometimes left uncategorized. Mycenaean was deciphered only in 1952 and so is missing from the earlier schemes presented here: The Ancient Greek dialects differed mainly in vowels. Loss of intervocalic "s" and consonantal "i" and "w" from Proto-Greek brought two vowels together in hiatus, a circumstance often called a "collision of vowels". Over time, Greek speakers would change pronunciation to avoid such a collision, and the way that vowels
Achaea (ancient region) Achaea (ancient region) Achaea () or Achaia (; , "Akhaia", ) was (and is) the northernmost region of the Peloponnese, occupying the coastal strip north of Arcadia. Its approximate boundaries were to the south the mountain range of Erymanthus, to the south-east the range of Cyllene, to the east Sicyon, and to the west the Larissos river. Apart from the plain around Dyme, to the west, Achaea was generally a mountainous region. The name of Achaea has a slightly convoluted history. Homer uses the term Achaeans as a generic term for Greeks throughout the "Iliad"; conversely, a distinct region of