Webster's Revised Unabridged Dictionary · 1913

Frugal

Frugal , adjective

[Latin frugalis, from frugi, lit., for fruit; hence, fit for food, useful, proper, temperate, the dative of frux, frugis, fruit, akin to English fruit: compare French frugal. See Fruit, n.]

1.
Economical in the use or appropriation of resources; not wasteful or lavish; wise in the expenditure or application of force, materials, time, etc.; characterized by frugality; sparing; economical; saving; as, a frugal housekeeper; frugal of time.
I oft admire How Nature, wise and frugal, could commit Such disproportions. — Milton
2.
Obtained by, or appropriate to, economy; as, a frugal fortune.
Frugal fare. — Dryden