hyracothere

hy·ra·co·there (hīʹrə-kō-thîr') n.

A small herbivorous mammal of the genus Hyracotherium (syn. Eohippus) from the Eocene Epoch of North America, having four-toed front feet and three-toed hind feet and related ancestrally to the modern horse.

  [New Latin Hyracothērium, genus name : hyrax, hyrac-, hyrax (from certain shared skeletal characteristics); see hyrax + Greek thērion, wild beast; see treacle.]

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