An example of memento is a postcard from a favorite trip to Paris.
Origin of memento
- Middle English commemoration of the living or the dead in the Canon of the Mass from Latin mementō imperative of meminisse to remember men-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From the Latin mementÅ (“remember!"), imperative form of meminÄ« (“I remember").