ἀπάθεια
From LSJ
ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
English (LSJ)
[πᾰ], ἡ,
A impassibility, of things, opp. πάθος, Arist.Ph.217b26, Metaph.1046a13: pl., opp. πάθη, Epicur.Ep.1p.25U., S.E.M.10.224. II of persons, insensibility, apathy, Arist.EN1104b24, de An.429a29; ἀ. τῶν κακῶν insensibility to .., Thphr.HP9.15.1; ἀ. περί τι Arist.APo.97b23, Rh.1383b16. 2 as Stoic term, freedom from emotion, Dionys.Stoic.3.35, cf. Arr.Epict.4.6.34, al., Plu.2.82f; spelt ἀπαθία in Antip.Stoic.3.109, Phld.Sto.Herc.339.7. III absence of injury, σῴζεσθαι δι' ἀπάθειαν ἀνακαμπτόμενα for the sake of immunity, Arist.PA682b21.