ἐξιδιόομαι
From LSJ
Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
English (LSJ)
A = ἐξιδιάζομαι 1, Isoc. 12.43, X.HG2.4.8.
German (Pape)
[Seite 881] = ἐξιδιάζομαι, Xen. Cyr. 7, 5, 53 Hell. 2, 4, 8; τὰς χώρας Isocr. 12, 16.