The spelling of the word "Achaian" can be a little tricky for those unfamiliar with Ancient Greek mythology. The correct pronunciation is /əˈkeɪən/. The first syllable is unstressed and pronounced as a schwa sound, followed by a stressed "kay" sound. The final syllable is pronounced with a short "uh" sound followed by the "en" sound. In mythology, the Achaian people were a group of Greeks who fought in the Trojan War, led by famous heroes such as Achilles and Agamemnon.
The word "Achaian" is derived from the Greek term "Achaios", which refers to the people of the region known as Achaea in ancient Greece. The region of Achaea was located in the northern part of the Peloponnese, and the term "Achaios" originally designated the inhabitants of this area. Over time, the term evolved into "Achaian" in English, referring to the ancient Greek people, particularly those associated with the Trojan War and the Homeric epics.