βλάκευμα
From LSJ
τούτων γάρ ἑκάτερον κοινῷ ὀνόματι προσαγορεύεται ζῷον, καί ὁ λόγος δέ τῆς οὐσίας ὁ αὐτός → and these are univocally so named, inasmuch as not only the name, but also the definition, is the same in both cases (Aristotle, Categoriae 1a8-10)
English (LSJ)
-ατος, τό, stupid trick, Eust.1405.33.
Spanish (DGE)
-ματος, τό
1 molicie Σαρδαναπάλου Gr.Naz.M.37.724A, τῆς νέας ἡλικίας Nil.M.79.141A.
2 tontería, simpleza Suet.Blasph.178, Eust.1405.33.
German (Pape)
[Seite 447] τό, dummer Streich, Eustath.