2 definitions
The Incest archetype (n.) underlies the idea of the father reborn in the son and the sacred marriage of mother and son; it means the highest and lowest at once, the pattern of renewal and rebirth.
The Incest archetype (n.) was the numinous primordial image Freud struck on in tracing symbols back; he succumbed to its power, and once wondered aloud to Jung what neurotics would do once everyone knew what their symbols meant.