ἐκπόρευσις
From LSJ
τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
German (Pape)
[Seite 776] ἡ, das Aus-, Weggehen, Sp.
Greek (Liddell-Scott)
ἐκπόρευσις: ἡ, τὸ ἐκπορεύεσθαι, ἐπὶ τοῦ Ἁγίου Πνεύματος, Καισάρ. 861, Γρηγ. Ναζ. ΙΙ. 141Β, Ἀμφιλ. 112C, Δίδ. Ἀλ. 761Α, 796Β.