οὐραῖον

From LSJ

ταυτὶ γὰρ συκοφαντεῖσθαι τὸν Ἕκτορα ὑπὸ τοῦ Ὁμήρου → that is a false charge brought against Hector by Homer

Source

Russian (Dvoretsky)

οὐραῖον: τό
1 хвост (κυνός Men.);
2 хвостовой плавник или рыбий хвост Arst.