πολυαρχία

English (LSJ)

ἡ,

   A command or government shared by many, τὸ πλῆθος τῶν στρατηγῶν καὶ ἡ π. Th.6.72, cf. X.An.6.1.18, J.AJ4.8.41, Plu. Cam.18, etc.