leftover
adjective
°Remaining; left behind; extra; in reserve.
"Do you want some of the leftover supplies from the event?"
°Remaining after a meal is complete or eaten for a later meal or snack.
"I have some leftover spaghetti in the fridge, so I don't plan to cook tonight."
noun
°Something left behind; an excess or remainder.
"It's a leftover from yesterday, but it's still perfectly good."