εἱρκτέον
From LSJ
εἰ μὲν θάνατόν τε φυγὼν καὶ γῆρας ἀπεχθόμενον ἔστι τοι τούτων λάχος → if you wish to escape death and hated old age you can have this lot
English (LSJ)
((εἵργω)
A one must prevent, S.Aj.1250.
Greek (Liddell-Scott)
εἱρκτέον: ῥηματ. ἐπιθ. τοῦ εἵργω, πρέπει τις νὰ κωλύσῃ, νὰ ἐμποδίσῃ, Σοφ. Αἴ. 1250.