θυμοῦσθαι
From LSJ
Ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → It is impossible to know the spirit, thought, and mind of any man before he be versed in sovereignty and the laws
Greek > English (Woodhouse Verbs Reversed)
(see also θυμόω): rage, be angry at, be angry with, be angry
Lexicon Thucydideum
irasci, to become angry, τὸ θυμούμενον, ira, anger, 7.68.1.
