athambia/əˈθæmbiə/EtymologyBorrowed from Latin athambia, borrowed from Ancient Greek ἀθαμβία (athambía), from θάμβος (thámbos).nounimperturbability, ataraxia“Even if he supposed happiness to consist in knowledge, still he designed that his study of natural philosophy should procure him peace of mind ; since that is his conception of the Chief Good, which he entitles euthumia, or often athambia, that is freedom from alarm.”