ἀκτέον
From LSJ
Aristotle, Nicomachean Ethics, 5.30
English (LSJ)
(ἄγω)
A one must lead, Pl.R.467e, etc.; one must treat, τινὰς τρυφερώτερον Sor.2.9; one must bring, εἰς ὑπόμνησιν Apollon.Cit. 3. 2 εἰρήνην ἀκτέον one must keep peace, And.3.40, D.8.5. II one must go, march, X.HG6.4.5. III Adj., ἀκτέος, α, ον, to be drawn, γραμμαί Gal.16.406; to be led away, ἐπὶ τὸ κολασθῆναι D.23 Arg.2.3.
Greek (Liddell-Scott)
ἀκτέον: ῥηματ. ἐπίθ. τοῦ ἄγω, πρέπει τις να ἄγη, ὁδηγῆ, Πλάτ. Πολ. 467Ε, κτλ.· εἰρήνην ἀκτέον, πρέπει τις νά τηρῇ εἰρήνην, Ἀνδοκ. 28. 28, Δημ. 91.11. ΙΙ. πρέπει νὰ ὑπάγῃ τις ἢ νὰ ἐλάσῃ, Ξεν. Ἑλλ. 6. 4, 5.