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c.1600, "freedom from suffering," from French apathie (16c.), from Latin apathia, from Greek apatheia "freedom from suffering, impassability, want of sensation," from apathes "without feeling, without suffering or having suffered," from a- "without" (see a- (3)) + pathos "emotion, feeling, suffering" (see pathos). Originally a positive quality; sense of "indolence of mind, indifference to what should excite" is from c.1733.
apathy ap·a·thy (āp'ə-thē)
Lack of interest, concern, or emotion; indifference.
in Stoic philosophy, condition of being totally free from the pathe, which roughly are the emotions and passions, notably pain, fear, desire, and pleasure. Although remote origins of the doctrine can probably be found in the Cynics (second half of the 4th century BC), it was Zeno of Citium (4th-3rd century BC) who explicitly taught that the pathe were to be extirpated entirely.