προβατογνώμων
From LSJ
βωμὸν Ἀριστοτέλης ἱδρύσατο τόνδε Πλάτωνος, ἀνδρὸς ὃν οὐδ' αἰνεῖν τοῖσι κακοῖσι θέμις → Aristotle had this altar of Plato set up — Plato, a man whom the wicked dare not even mention in praise
English (LSJ)
ον, gen. ονος,
A good judge of cattle: metaph., good judge of character, A.Ag.795 (anap.).
German (Pape)
[Seite 711] ον, die Heerde beurtheilend, kennend, übertr., ὅστις δ' ἀγαθὸς προβατογνώμων, οὐκ ἔστι λαθεῖν ὄμματα φωτός, Aesch. Ag. 769, wer ein guter Hirte des Volks ist und es kennt.