Achaiam

Achaiam is a Latin form of Achaia, meaning “Achaea, region of Greece; the Roman province of Greece”. It is the accusative singular feminine noun.

Found 38 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Civili 3.56: … Acarnania, Amphilochis per Cassium Longinum et Calvisium Sabinum, ut demonstravimus, receptis temptandam sibi Achaiam ac paulo longius progrediendum existimabat Caesar. Itaque eo Calenum misit eique Sabinum et Cassium cum cohor …

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.