τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
illoc:
1 Neutr. pron., v. illic.—
2 Adv., v. illic fin.
illōc¹⁶ (illo, ce), adv. = illuc, là-bas, là [avec mouvt] : Pl. Truc. 647 ; Ter. Eun. 572.