δρυκολάπτης
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 v. δρυοκολάπτης.
German (Pape)
[Seite 668] ὁ, = δρυοκολάπτης, Ar. Av. 480. 979. S. Lob. Phryn. 679.
Greek (Liddell-Scott)
δρυκολάπτης: ἴδε ἐν λ. δρυοκολάπτης