Achaeus (mythology)

For other uses, see Achaeus (disambiguation).

In Greek mythology, Achaeus or Achaios (/əˈkiːəs/; Ancient Greek: Ἀχαιός Akhaiós means 'griever',^[1] derived from αχος achos, 'grief, pain, woe') was the name of three mythological characters:

• Achaeus, son of Poseidon and the eponym of Achaea.^[2]
• Achaeus, son of Xuthus and mythical founder of Achaean race.^[3]
• Achaeus, son of Phthia, daughter of Phoroneus and the god Zeus.^[4]