memento
n.an object that you keep to remind you of a person or a special event.
n.an object kept as a reminder of a person or event. Often used in the plural to refer to a collection of such items.
“He keeps a small stone as a memento of his trip.”
“The old photo frame was a memento of her childhood, reminding her of the house she grew up in.”
“The museum's collection of wartime letters serves as a powerful memento of the era's social upheaval, preserving the personal voices of those who lived through it.”
“Many presidents, however, have given souvenirs or personal mementos to staff.”
“It was reported that Mercury’s sister, Kashmira, anonymously spent £3m buying back family mementoes.”
Borrowed from Latin mementō (“remember”), imperative form of meminī (“I remember”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.