ἀνατείχισμα

From LSJ

οὑδείς ἐλεύθερος ἐαυτοῦ μή κρατῶν → no one is free if he cannot command himself

Source

Spanish (DGE)

-ματος, τό
defensa, fortificación fig. τῆς ψυχῆς Cyr.Al.M.68.261B.