PLEASE !30! POINTS AND BRAINLIEST PLEASE PLEASE HELP
I need the word, this is the definition

things that have lasted over time, especially those objects or customs whose original culture has disappeared; surviving traces, parts, or fragments of items from the past that serve as a memorial to a time period or culture; objects that are interesting because they are old or associated with the past, such as antiquities or artifacts; things kept in remembrances, such as souvenirs, mementos, or heirlooms; in the Catholic religion, body parts or personal possessions of saints, martyrs, or other sacred people that are preserved as worthy of respect and worship; once widespread linguistic forms that survive only in limited areas but are otherwise obsolete