ψευδοδοξία
From LSJ
μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
English (LSJ)
ἡ,
A false opinion or notion, Polystr.p.14 W., Phld.D.1.14(pl.), Str.14.5.28, Plu.2.716b, Hierocl. in CA12p.446M., etc.
German (Pape)
[Seite 1394] ἡ, falsche Meinung, Irrwahn; Plut. Symp. 7 a. E.; Ceb. Tabul. u. a. Sp.