department
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
part, division: P. and V. μέρος, τό.
sphere of action: P. and V. τάξις, ἡ, P. προαίρεσις, ἡ (Dem. 245); see function.
