Achaeorum
Achaeorum is a Latin form of Achaeus, meaning “Achaean, Greek; (Achaei) the Achaeans, the Greeks”. It is the genitive plural neuter adjective or genitive plural masculine adjective or genitive plural masculine noun.
Found 68 times in the Latin texts on Socratos.
Where it is used
Tacitus, Annales 1·189: … mederetur. etiam in Pompeiam Macrinam exilium statuitur cuius maritum Argolicum socerum Laconem e primoribus Achaeorum Caesar adflixerat. pater quoque inlustris eques Romanus ac frater praetorius, cum damnatio instaret, se ipsi …
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.