1640s, from L.L. indigenus "born in a country, native," from L. indigena "a native," lit. "in-born person," from Old L. indu "in, within" (earlier endo) + gen-, root of gignere (perf. genui) "beget," from PIE *gen- "produce."
(ĭn-dĭj'ə-nəs) Native to a particular region or environment but occurring naturally in other places as well. The American black bear is indigenous to many different parts of North America. Compare alien, endemic.