Boiorum
Boiorum is a Latin form of Boii, meaning “the Boii, a Celtic people (in Gaul and northern Italy)”. It is the genitive plural masculine noun.
Found 38 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.29.2: [Quarum omnium rerum] summa erat capitum Helvetiorum milium CCLXIII, Tulingorum milium XXXVI, Latobrigorum XIIII, Rauracorum XXIII, Boiorum XXXII; ex his qui arma ferre possent ad milia nonaginta duo.
All forms of Boii (declension table)
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.