i Register
In some senses, achaean is marked as literary. Watch for register when choosing this word.
noun
An inhabitant or resident of Achaea, especially a member of an ancient Hellenic tribe that inhabited the region of Achaea.
In Homeric usage, a Greek person, especially of the Mycenaean era.
adj
Of or relating to Achaea or the Achaeans.
In Homeric usage, of or relating to Greece, especially of the Mycenaean era.