διασκοπέω · diaskopeō — LSJ
look at in different ways, examine or consider well, Hdt. 3.38, E. Cyc. 557, etc.; ἑξῆς δ. τὸν λόγον Pl. R. 350e, cf. Tht. 168e; also δ. πρὸς ἑαυτόν Id. Chrm. 160e; περὶ σφᾶς αὐτούς, περί τινος, Th. 7.71, Pl. Phd. 61e; δ. περί τινος εἰ . . Arist. Pol. 1272a26: c. gen., τῆς ἑαυτῶν ἀσφαλείας D.C. 58.7:—Med., πρὸς τὰ ἔξω διασκοπεῖσθαι Th. 6.59: impf., Pl. Plt. 259c.
abs., look round one, keep watching, μὴ ὁρῶνται X. Cyn. 9.3.