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heterochthonous

American  
[het-uh-rok-thuh-nuhs] / ˌhɛt əˈrɒk θə nəs /

adjective

  1. not indigenous; foreign (autochthonous ).

    heterochthonous flora and fauna.


Etymology

Origin of heterochthonous

First recorded in 1890–95; hetero- + Greek chthṓn “the earth, land, country” + -ous