σωφρονιστύς
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)
ύος, ἡ,
A = σωφρονισμός, σωφρονιστύος ἕνεκα for the sake of correction, Pl.Lg.934a.
German (Pape)
[Seite 1062] ἡ, ion. statt σωφρόνισις, Plat. Legg. XI, 933 e, σωφρονιστύος ἕνεκα, um zu witzigen und zu bessern.