autochthony

from WordNet (r) 3.0 (2006)

autochthony
    n 1: nativeness by virtue of originating or occurring naturally
         (as in a particular place) [syn: {indigenousness},
         {autochthony}, {endemism}]

from The Collaborative International Dictionary of English v.0.48

Autochthony \Au*toch"tho*ny\, n.
   An aboriginal or autochthonous condition.
   [1913 Webster]

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