The Collaborative International Dictionary of English v.0.48:

Ethiopian \E`thi*o"pi*an\, Ethiopic \E`thi*op"ic\, a.
   Of or relating to Ethiopia or the Ethiopians.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ethiopic \E`thi*op"ic\, n.
   The language of ancient Ethiopia; the language of the ancient
   Abyssinian empire (in Ethiopia), now used only in the
   Abyssinian church. It is of Semitic origin, and is also
   called Geez.
   [1913 Webster]