abyss.

/AE1 B IH1/
noun
  1. 1

    Abbreviation of Abyssinia. [(historical) Former name of Ethiopia: a country and former empire in East Africa; used as an exonym until the mid 20th century.]

adjective
  1. 1

    Abbreviation of Abyssinian. [(dated) Of or pertaining to Ethiopia or its inhabitants; Ethiopian.]