- of Achaea or its people or culture
- loosely Greek
- a person born or living in Achaea
- loosely, a Greek
- A native or inhabitant of Achaea.
- One of a Hellenic people believed to have inhabited the Peloponnesus and to have created the Mycenaean civilization.
- A Greek, especially of the Mycenaean era.
- An inhabitant or a resident of Achaea.
- Of or relating to Achaea.
Latin Achaeus or Achaius, from Ancient Greek Ἀχαιός (Akhaios).