οὐραῖον

From LSJ

πάλιν δ' ὅ γε λάζετο μῦθον → he took back his speech, he retracted his speech, he altered his speech

Source

Russian (Dvoretsky)

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