πυρρότης
From LSJ
ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην, πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → hard it is to learn the mind of any mortal or the heart, 'till he be tried in chief authority | it is impossible to know fully any man's character, will, or judgment, until he has been proved by the test of rule and law-giving
English (LSJ)
ητος, ἡ,
A redness, of hair, Arist.GA785a20, Gal.6.21.
Greek (Liddell-Scott)
πυρρότης: -ητος, ἡ, τὸ πυρρὸν χρῶμα, Ἀριστ. π. Ζ. Γεν. 5. 5, 3, Γαλλην.