First, and most simply, the founding fathers were unstinting in their belief that the nascent republic had to pay its debts.
"to limit, restrain, to be sparing or frugal," Old English styntan "to blunt, make dull," from Proto-Germanic *stuntijanan (cf. Old Norse stuttr "short, scant," Middle High German stunz "blunt, short," German stutzen "to cut short, curtail, stop, hesitate"), from PIE root *(s)teu- "to beat, strike, push, thrust" (see steep (adj.)). Related: Stinted; stinting. The noun is attested from c.1300.