Chantry

Chantry: A chantry is an endowment to support a priest to say/sing mass to save the soul of the person funding the endowment. Of course, the terms of the endowment might include other stipulations. In some cases, the endowment called for the construction of an independent chapel and the chapel was called a chantry. Chantry shares its etymology with chant.

"Are they dead or fled?"
It was a good question for the chantry chapel certainly appeared to be abandoned. ... The chantry was newly constructed.

A Book for Today: Company of Liars by Karen Maitland