AUTOCHTHONISM

\ˌɔːtə͡ʊt͡ʃθˈə͡ʊnɪzəm], \ˌɔːtə‍ʊt‍ʃθˈə‍ʊnɪzəm], \ˌɔː_t_əʊ_tʃ_θ_ˈəʊ_n_ɪ_z_ə_m]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.