ἐξυγραίνω
From LSJ
εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
English (LSJ)
A saturate, Arist.Pr.877a33, al.:—Pass., to be full of moisture, τοῦ ἀέρος -ομένου ib.944a21, etc. 2 make watery, of the blood, Id.HA521a12 (Pass.), cf. Plu.2.97b (Pass.): metaph., ἐ. τὰ σώματα ταῖς ἡδοναῖς ib.136b:—Pass., to be so, of plants, Thphr.CP 6.6.4. II Pass., to be deprived of moisture, Id.Lap.10. III Pass., of liquid purgations, τὰ τῆς κοιλίης ἐξυγρασμένα ἦν ἰσχυρῶς Hp. Prog.2; so -αίνεσθαι τὴν κοιλίαν Plu.Arat.29, cf. 2.914e.