φρενοπληγής
From LSJ
οὗτος ὁ υἱός μου νεκρὸς ἦν καὶ ἀνέζησεν, ἦν ἀπολωλὼς καὶ εὑρέθη → This son of mine was dead and has come back to life. He was lost and he's been found.
English (LSJ)
ές,
A striking the mind, i.e. driving mad, maddening, A.Pr.878 (anap.).
German (Pape)
[Seite 1304] ές, die Seele mit Wahnsinn schlagend, wahnsinnig machend, μανίαι, Aesch. Prom. 880.
Greek (Liddell-Scott)
φρενοπληγής: -ές, ὁ πλήττων τὰς φρένας, ἄγων εἰς παραφροσύνην, φρενοπληγεῖς μανίαι Αἰσχύλ. Πρ. 879. ― Γλωσσ. Παρατηρ. σ. 35.