metrum
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
Latin > English (Lewis & Short)
mē̆trum: i, n., = μέτρον,
I a measure; in partic., a poetical measure, metre; a verse (post-Aug.): rhythmi, id est numeri, spatio temporum constant: metra etiam ordine: ideoque alterum esse quantitatis videtur, alterum qualitatis, Quint. 9, 4, 46: metri necessitate cogi, id. 8, 6, 17; 1, 6, 2: metri causā, Gell. 4, 17, 9: Tibulli, i. e. elegiac metre, Mart. 4, 6, 4: exceptis metris Vergilii, i. e. verses, Col. 3, 10, 20 dub.