μνημονεῖον
From LSJ
μή μοι θεοὺς καλοῦσα βουλεύου κακῶς· πειθαρχία γάρ ἐστι τῆς εὐπραξίας μήτηρ, γυνὴ Σωτῆρος· ὦδ᾽ ἔχει λόγος → When you invoke the gods, do not be ill-advised. For Obedience is the mother of Success, wife of Salvation—as the saying goes.
English (LSJ)
or μνημόν-ιον, τό,
A registry, PRein.18.8 (ii B. C.), POxy.1282.22 (i A. D.), etc.
Greek (Liddell-Scott)
μνημονεῖον: τό, = τῷ προηγ., Μαρτύρ. Ἁγ. Φιλεταίρου 28.