autogenic
adjective/ˌɔːtəʊˈdʒenɪk/, /ˌɔːtəˈdʒenɪk/
/ˌɔːtəʊˈdʒenɪk/
(formal)- created by or from the thing itself
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autogenic
Definition of autogenic adjective from the Oxford Advanced Learner's Dictionary