sacrifice

The act of offering something to a deity in propitiation or homage, especially the ritual slaughter of an animal or a person.

A victim offered in this way.

The act of giving up something highly valued for the sake of something else considered to have a greater value or claim.

Something given up in this way.

Relinquishment of something at less than its presumed value.

Something so relinquished.

A loss so sustained.