τετράμετρος
From LSJ
Φιλίας δοκιμαστήριον ὁ χωρισμὸς φίλων → Probas amicum, ab eo si longe absies → Der Freundschaft Probe ist die Trennung von dem Freund
English (LSJ)
ον,
A consisting of four metres, i.e., in iambic and trochaic verse, consisting of four double feet or syzygies: τὸ τετράμετρον is generally the trochaic tetrameter, Ar.Nu.642,645, X.Smp.6.3, Arist.Rh.1404a31, 1409a1, Po.1459b37: also the anapaestic tetrameter, called τὸ Ἀριστοφάνειον (as in Nu.957 sq.), D.H. Comp.25; cf. τρίμετρος. 2 γωνίαι τ. square, i.e. right, angles, Callix.2 (dub. l.).