θυννοσκοπεῖον
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)
τό,
A look-out to watch for shoals of tunnies, Str.5.2.6.
German (Pape)
[Seite 1225] τό, Ort, wo man dem Thunfische auflauert, Strab. V, 223.