θυοσκόος
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)
ου, ὁ,
A sacrificing priest, Od.21.145, 22.318,321, E.Rh.68; μάντιες θ. distd. from ἱερῆες, Il.24.221: fem., Μαινάδες θ. E.Ba.224: neut., θ. ἱρά sacrificial implements, IG14.1389i2. 2 pl.,= Lat. haruspices, D.H.1.30. (θύος, σ-κοϝ-, cf. κοέω, caveo: the initial σ- is found in OE. scéawian, OHG. scauwôn 'look at'.)