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autotheism

noun
au·​to·​the·​ism
plural -s

Definition of autotheism 

1 : the doctrine of the self-existence of God especially : the doctrine that Christ is the self-existent God himself

2 : deification of oneself : self-worship

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History and Etymology for autotheism

Late Greek autotheos very God (from Greek aut- + theos god) + English -ism

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