πραγματεία
Alt. πραγμα^τεία, ἡ,
I. "the careful prosecution of an affair, diligent study, hard work", Plat., Dem., etc.
II. "occupation, business", Plat., Aeschin.:—in pl. "affairs in general, dealings", Plat., etc.
III. "the treatment" of a subject, id=Plat.; "a treatise", Arist.; "an historical work, systematic history", Polyb., Luc.