ἀποκωλυτέον
From LSJ
ὀλιγαρχία δὲ τῶν μὲν κινδύνων τοῖς πολλοῖς μεταδίδωσι͵ τῶν δ΄ ὠφελίμων οὐ πλεονεκτεῖ μόνον, ἀλλὰ κτλ. → But an oligarchy gives the many a share of the danger, and not content with the largest part takes and keeps the whole of the profit (Thucyd. 6.39)
English (LSJ)
A one must forbid, Sor.2.42.
Greek (Liddell-Scott)
ἀποκωλυτέον: ῥηματ. ἐπίθ. τοῦ ἀποκωλύω, δεῖ ἀποκωλύειν, Σωρανὸς περὶ Γυναικ. Παθ. σ. 240Β.
Spanish (DGE)
hay que impedir τὴν παράληψιν Sor.121.29.