στροβίλιον
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)
τό, Dim. of
A στρόβιλος 6, small pine-cone, Dsc.Eup.2.112, Sor.1.123, PLit.Lond.171 (iii A.D.); σ. μεγάλα POxy.1142.6 (iii A.D.). 2 cone-shaped ear-ring, Com.Adesp.1154.