the.com/replacement
The thing standing in the spot someone or something just vacated, hopefully an upgrade.
means A person or object that takes the place of another that is lost, broken, or gone.
from From re- (again) plus place, literally to put back into the spot, surfacing in English around the 1700s with the cool logic of swapping.
Sports dramaReplacement players crossed picket lines during 1987 NFL strike.
BiologyYour skin fully replaces itself roughly every month.
EconomicsReplacement cost differs sharply from what you originally paid.