διφαλαγγία
From LSJ
ὁμοῦ ἦν καὶ ἔχειν τὴν πόλιν καὶ τὸ γένος ὅλον μετὰ τῆς πόλεως → it was much the same thing to have the city and to have the whole race together with the city
English (LSJ)
ἡ,
A phalanx marching in two divisions, Plb.2.66.9, 12.20.7, Ael.Tact.36.3, Arr.Tact.28.6. 2 = διφαλαγγαρχία, Ascl.Tact.2.10, Ael.Tact.33.5.