ξύρησις
From LSJ
εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
English (LSJ)
εως, ἡ,
A shaving, Asclep. ap. Gal.12.413, Plu.2.352c(pl.), Archig. ap. Aët.6.28, Alex.Aphr.Pr.2.36 ; baldness, LXXIs.22.12.
German (Pape)
[Seite 282] ἡ, das Scheeren, Abscheeren des Haares, Plut. de Is. et Os. 3.