ἑπτατειχεῖς
From LSJ
εἰργόμενον θανάτου καὶ τοῦ ἀνάπηρον ποιῆσαι → excluding death and maiming, short of death or maiming
English (LSJ)
ἔξοδοι the seven outlets of the walls of Thebes, A.Th.285.
German (Pape)
[Seite 1013] ἔξοδοι, mit sieben Mauern, Thürmen, von Theben, Aesch. Spt. 266.