Ἐπιθυμία

Appetite is an irrational desire, and the following things are ranged under it: need, hatred, contentiousness, anger, passion, wrath, rage. Need is an unsuccessful appetite as if separated from its object but intent upon it and drawn to it in vain. Hatred is an appetite for things to go progressively and increasingly badly for someone.¹ Anger is an appetite for revenge on someone who seems to have committed an injustice without propriety.² Passion is an appetite which is not directed toward an excellent thing,³ for it is a expenditure of industry⁴ due to an apparent beauty. Wrath is a long-standing and vengeful anger, which is watching for an opportunity. Rage is how anger starts.