ἀδηλοποιέω
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
English (LSJ)
A make unseen, Sm.Jb.9.5, Ps.-Alex.Aphr.in SE124.3.
Greek (Liddell-Scott)
ἀδηλοποιέω: καθίστημί τινα ἀόρατον, Σύμμ. Ἰώβ, θ΄. 5.