eohippus

noun eo·hip·pus \ ˌē-ō-ˈhi-pəs \

Definition of eohippus

: any of a genus (Hyracotherium synonym Eohippus) of very small primitive horses from the Lower Eocene having 4-toed forefeet and 3-toed hind feet called also dawn horse

Origin and Etymology of eohippus

New Latin, from eo- + Greek hippos horse — more at equine


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