undermind

From under- +‎ mind.

undermind (plural underminds)

1. The subconscious mind or self.
   • 1909, Percy Dearmer, Body and soul:

     The doctor assists the undermind, and his assistance is often utterly indispensable: for instance, he "sets" a broken limb, and gives the undermind every assistance, [...]

2. The unconscious mind; intuition.
   • 2010, Fons Trompenaars, Charles Hampden-Turner, Riding the Waves of Innovation:

     Others have named this "tortoise mind" as intuition, or the unconscious, and the id. Caxton goes on to name it the "undermind."

• nethermind

• overmind