stint

nouns

an unbroken period of time during which you do something
"there were stretches of boredom"; "he did a stretch in the federal penitentiary"
smallest American sandpiper
an individual's prescribed share of work
"her stint as a lifeguard exhausted her"
is a type of (narrower)
a specific piece of work required to be done as a duty or for a specific fee
"estimates of the city's loss on that job ranged as high as a million dollars"; "the job of repairing the engine took several hours"; "the endless task of classifying the samples"; "the farmer's morning chores"

verbs

subsist on a meager allowance
"scratch and scrimp"
is derived from
supply sparingly and with restricted quantities
"sting with the allowance"
is derived from