διεῖδον

English (LSJ)

inf. διϊδεῖν, aor. 2 with no pres. in use (διοράω being used),

   A see thoroughly, discern (on the Homeric usage v. δια-είδω), τι Ar.Nu.168, Pl.Phdr.264c; λόγος οὐ ῥᾴδιος διϊδεῖν Id.Phd.62b.    2 see through:—Pass., διειδομένη ἐν ὕδατι νῆσος Call.Del.191; ἀτραπὸς . . διειδομένη πεδίοιο seen through or across the plain, A.R.1.546.    II pf. δίοιδα, inf. διειδέναι, Ep. διίδμεναι Id.4.1360, distinguish, discern, ἀνδρῶν . . τὸν κακὸν διειδέναι E.Med.518, cf. Ar.Ra.975, Pl.Phdr.262a: fut., διείσεται ἡ χείρ Orib.8.36.6; decide, S.OC295.