στρατόπεδον G4760
stratópedon · strat-op'-ed-on · Noun Neuter
from the base of στρατιά and the same as πεδινός; a camping-ground, i.e. (by implication) a body of troops:--army.
1 Occurrence in the King James Bible
Luke 21:20And when ye shall see Jerusalem compassed with armies, then know that the desolation thereof is nigh.