δύσβλεπτος

From LSJ

ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners

Source

Spanish (DGE)

-ον
difícil de ver, poco visible glos. a δυσδερκής Sch.Opp.C.1.102, 450.