τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
from תָּמַם; completeness; figuratively, prosperity; usually (morally) innocence: full, integrity, perfect(-ion), simplicity, upright(-ly, -ness), at a venture. See תֻּמִּים.