Achaeus (son of Poseidon)
In Greek mythology, Achaeus or Achaios (/əˈkiːəs/; Ancient Greek: Ἀχαιός Akhaiós means 'griever', derived from αχος achos, 'grief, pain, woe') was the eponym of Achaea.
In Greek mythology, Achaeus or Achaios (/əˈkiːəs/; Ancient Greek: Ἀχαιός Akhaiós means 'griever', derived from αχος achos, 'grief, pain, woe') was the eponym of Achaea.