vaccarius

From vacca (“cow”) +‎ -ārius (suffix forming relational adjectives and agent nouns). Attested in the Pactus Alamannorum.[1]

vaccārius (feminine vaccāria, neuter vaccārium); first/second-declension adjective (Early Medieval Latin)

1. of or pertaining to a cow.

First/second-declension adjective.

vaccārius m (genitive vaccāriī); second declension (Early Medieval Latin)

1. cowherd

Second-declension noun.

• R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “vaccarius”, in Dictionary of Medieval Latin from British Sources‎, London: Oxford University Press for the British Academy, →ISBN, →OCLC
• vaccarius in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)