Ataraxia

noun/ætəˈɹæksiə/philosophy

Definition

Freedom from stress or worry.

Etymology

From Ancient Greek ἀταραξία (ataraxía), ἀ- (a-, negative prefix) +‎ ταράσσω (tarássō, “trouble, disturb”). Doublet of ataraxy.

In a sentence

After years of on-call rotations, he finally found a kind of ataraxia in retirement.