Achaeos
Achaeos is a Latin form of Achaeus, meaning “Achaean, Greek; (Achaei) the Achaeans, the Greeks”. It is the accusative plural masculine adjective or accusative plural masculine noun.
Found 32 times in the Latin texts on Socratos.
Where it is used
Pliny the Younger, Epistulae 10.65.3: … sti, ad Andaniam pertinens; recitatae et epistulae divi Vespasiani ad Lacedaemonios et divi Titi ad eosdem et Achaeos et Domitiani ad Avidium Tigrinum et Armenium Brocchum proconsules, item ad Lacedaemonios; quae ideo tibi non …
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.