Graio
Graio is a Latin form of Graius, meaning “Greek; (Graii) the Greeks”. It is the ablative singular masculine noun or dative singular masculine noun or ablative singular neuter adjective or ablative singular masculine adjective.
Found 26 times in the Latin texts on Socratos.
Where it is used
Cicero, De Natura Deorum 2.114: … . extremam nitens plumato corpore Corvus rostro tundit, et hic Geminis est ille sub ipsis Ante Canem, Procyon Graio qui nomine fertur.
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.