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
subs.
End: P. and V. τέλος, τό, τελευτή, ἡ, πέρας, τό, V. τέρμα, τό, τέρμων, ὁ.
Finishing off: P. ἀπεργασία, ἡ.