Word Origin & History
lealy 15c., from O.Fr. antelop, from M.L. ant(h)alopus, from Gk. antholops (attested in Eusebius of Antioch, c.336 C.E.), a fabulous animal haunting the banks of the Euphrates, very savage, hard to catch and having long saw-like horns capable of cutting down trees. Original sense and language unknown
(it looks like Gk. "flower-eye," as if from anthos + ops, but that may be a result of Gk. folk etymology). A heraldic animal, also known in M.L. as talopus and calopus, the name was applied c.1600 to a living type of deer-like mammal. In the western U.S., used in ref. to the pronghorn.