eohippus
noun
eo·hip·pus ˌē-ō-ˈhi-pəs 
: 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
Word History
Etymology
New Latin, from eo- + Greek hippos horse — more at equine
First Known Use
circa 1879, in the meaning defined above
- asymptotic freedom
- asymptotic line
- asymptotically
- asynapses
- asynapsis
- asynartetes
- asynartetic
- async
- asynchronies
- asynchronism
- asynchronisms
- asynchronistic
- asynchronous
- asynchronous transfer mode
- asynchronously
- asynchrony
- asynclitisms
- asyndeses
- asyndesis
- asyndeta
- asyndetic
- asyndetically
- asyndeton
- asyndetons
- asynergiae