τρίμετρον

From LSJ

καὶ ποταμοὺς τινας διαβάντες ἐν μεγίστῃ παρεγινόμεθα κώμῃ → and having crossed some rivers we reached a very large village

Source

Russian (Dvoretsky)

τρίμετρον: (ῐ) τό стих. триметр Arph., Arst.