καθυπογράφω
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)
A describe, Eust.974.13; append signature to a document or edict, Sammelb.5251.4 (ii B.C.), PFlor.36.22 (iv A.D.), Cod.Just.1.1.7.11, etc.
German (Pape)
[Seite 1290] = ὑπογράφω, Eust. u. a. Sp.