περιουσία 1 περίειμι, supersum
I.that which is over and above necessary expenses, surplus, abundance, plenty, Ar., Thuc., etc.
II.absol. abundance, plenty, wealth, Plat., etc.; ἀπὸ περιουσίας with plenty of other resources, ex abundanti, Thuc., etc.; εἰς περιουσίαν so as to bring advantage, Dem.; ἐκ περιουσίας at an advantage, id=Dem.
2.superiority of numbers or force, Thuc.