relic

noun

1. 1. an object, custom, etc. that has survived, wholly or partially, from the past
   2. something that has historic interest because of its age and associations with the past, or that serves as a keepsake, or souvenir
2. remaining fragments; surviving parts; ruins
3. relict ()
4. Eccles. the body or a body part of, or some object associated with, a saint, martyr, etc., kept and reverenced as a memorial, as in the Roman Catholic and Eastern Orthodox churches