A disease of animals, particularly horses, characterized by a discharge from the ears; a form of ear infection or canker.
From Latin 'auris' (ear) + '-go' (a suffix indicating disease or condition), literally meaning 'an ear condition.' In medieval veterinary medicine, this was a recognized ailment affecting livestock.
Medieval veterinarians developed surprisingly sophisticated treatments for aurigo in horses, including herbal remedies and careful ear cleaning—some of their techniques actually work and are still used today!
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