frugality (n.)youdaoicibaDictYouDict[frugality 词源字典]
1530s, "economy, thriftiness," from Middle French frugalité (14c.), from Latin frugalitatem (nominative frugalitas) "thriftiness, temperance, frugality," from frugalis (see frugal).[frugality etymology, frugality origin, 英语词源]