θεσμοφόριον
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 temple of Demeter Θεσμοφόρος, Ar.Th.278, 880, IG2.1059.12; at Delos, ib.11(2).159A17 (iii B.C.):— also θεσμο-εῖον Theon Prog.5:
θεσμο-φόριον μέτρον, a form of dactylic metre, Mar.Vict.6.145 K.:
