ἀνατείχισμα

From LSJ

τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)

Source

Spanish (DGE)

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