EXAMPLES | WORD ORIGIN noun the earliest known horse, a member of the extinct genus Hyracotherium ( Eohippus), from the early Eocene Epoch of the Northern Hemisphere; a terrier-sized herbivore having four hoofed toes on each forefoot and three on each hind foot, and low-crowned teeth. Origin of eohippus 1875–80;
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for eohippus Historical Examples of eohippus Eohippus, the dawn horse, is the name given a skeleton found in 1880 in the lower Eocene strata in Wyoming.
In the Lower Eocene are found the remains of a diminutive ungulate (
Eohippus), of the stature of a moderately-sized dog.
The oldest of these creatures that lead to the horses is called
Eohippus or beginning horse.
He would not be more astonished than would the ancient
Eohippus on meeting with a modern dray-horse.
Orohippus was but little larger than
Eohippus, and in most other respects very similar. British Dictionary definitions for eohippus noun plural -puses the earliest horse: an extinct Eocene dog-sized animal of the genus with four-toed forelegs, three-toed hindlegs, and teeth specialized for browsing Word Origin for eohippus
C19: New Latin, from
eo- + Greek hippos horse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for eohippus n.
oldest known genus of the horse family, 1879, from Modern Latin, from Greek
eos (see eo-) + hippos "horse" (see equine).
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Science Dictionary
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