κωλυτήρ
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)
ῆρος, ὁ,
A = κωλυτής, τῶν ἀδικούντων Archyt.3; θεοὶ . . τῶν κακῶν κ. Porph. ap. Eus.PE4.9; ἀριθμὸς κ. τῶν περαιτέρω ἐπιμορίων Iamb. in Nic.p.52 P.
German (Pape)
[Seite 1543] ῆρος, ὁ, der Verhindernde, Iambl. u. a. Sp. S. κωλυτής.