economy: Ar. and P. εὐτέλεια, ἡ.
frugality: Ar. and P. φειδωλία, ἡ.
to make some retrenchment in government expenses: P. τῶν κατὰ τὴν πόλιν τι εἰς εὐτέλειαν σωφρονίσαι (Thuc. 8, 1).