autochthonous idea

noun

Definition of autochthonous idea

psychology
: a persistent, abnormally dominating idea that originates in the mind of a person and typically in the unconscious and that is thought by the person to have come from an outside, often malevolent, source — compare fixed idea

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“Autochthonous idea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autochthonous%20idea. Accessed 31 Oct. 2020.

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