equinologist
A person who studies horses.
rare
Derek Knottenbelt, an equinologist at Liverpool University, said there has been an explosion of ragwort in the past five years. "One can hardly avoid seeing it along roads," he told the equine council in a speech. "The yellow peril is lurking, and expanding its grip on the UK."
Where it comes from
From Latin equīnus (“relating to horses; equine”) + -ologist.
Adapted from the Wiktionary entry equinologist (CC BY-SA 4.0).