τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
v. μεσηγύ.
μεσσηγύ (ς): in the middle , Il. 11.573, Il. 23.521; meantime , Od. 7.195; elsewhere w. gen., between, betwixt , Il. 6.4, Od. 22.341.