apathia
Apathia, or apatheia, is a term originating in Greek philosophy that denotes freedom from irrational emotional disturbance or passion. The word comes from a- (without) and pathos (suffering, feeling), and in classical usage referred to a state of tranquil, disciplined mind rather than a lack of feeling altogether.
In Stoic philosophy, apatheia is the ideal state of emotional steadiness achieved through rational judgment. Stoics
The concept influenced later ethical and spiritual traditions. In some Christian and Neoplatonist contexts, apatheia or
Apathia is often contrasted with excessive affect, fear, or desire, and with the naive equanimity of indifference.