ἀναψηλάφησις
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)
εως, ἡ,
A close search, τροφῆς Eust.254.31; re-examination, retrial, Cod.Just.7.62.35, cf. 12.37.19, Just.Nov.82.12,al.