ἀνετέον
From LSJ
δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
English (LSJ)
(ἀνίημι)
A one must relax, Pl.Sph.254b: c. gen., τῆς ἀκριβεστέρας οἰκονομίας Phld.Oec.p.73 J.; one must loosen, Gal.17(1).434; one must let slip, Pl.Smp.217c, Plt.291c. 2 one must permit, Sor.1.108. 3 one must dilute, Orib.Fr.54.
Greek (Liddell-Scott)
ἀνετέον: ῥημ. ἐπίθ. τοῦ ἀνίημι = δεῖ ἀνιέναι, περὶ δὲ τοῦ σοφιστοῦ που δῆλον ὡς οὐκ ἀνετέον, ὅτι δὲν πρέπει ν’ ἀφήσωμεν νὰ χαλαρώσῃ ἡ συζήτησις, Πλατ. Σοφ. 254Β, ἔδοξέ μοι ἐπιθετέον εἶναι τῷ ἀνδρὶ ... καὶ οὐκ ἀνετέον, ὅτι πρέπει νὰ ἐπιτεθῶ κατὰ τοῦ ἀνδρὸς καὶ νὰ μὴ ἐγκαταλίπω τὴν ἰδέαν, ὁ αὐτ. Συμπ. 217C, Πολιτ. 219C.