EOHIPPUS Meaning of EOHIPPUS in English [ ˌi:əʊ'hɪpəs ]■ noun ( plural ~es ) former term for hyracotherium .OriginC19: from Gk ēōs 'dawn' + hippos 'horse'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004