εἰδωλομανέω
From LSJ
Τί κοινότατον; ἐλπίς. καὶ γὰρ οἷς ἄλλο μηδέν, αὕτη πάρεστι → What is most common? Hope. For those who have nothing else, that is always there.
enloquecer, ser idólatra ᾤκησεν ... εἰδωλομανῶν ἕως θανάτου αὐτοῦ Liber Iubil.g.12.14, cf. Gr.Nyss.V.Mos.104.4, Pamph.Mon.Soter.133.