thrift; economy; carefulness with money
By practicing frugality throughout their working lives, my parents gradually amassed a huge fortune.
frugi (useful, proper, worthy, honest, temperate, economical) (Latin)
FEW+GIRL friend. if you have few girl friends, it's ECONOMICAL. when you have many, it's costly. and frugal means the quality of being economical with money or food. frugal means avoiding waste. read it as free+girl. if a girl comes for free, it saves waste of money