souvenir (n.) Look up souvenir at Dictionary.com
1775, "a remembrance or memory," from French souvenir (12c.), from Old French noun use of souvenir (v.) "to remember, come to mind," from Latin subvenire "come to mind," from sub- "up" (see sub-) + venire "to come" (see venue). Meaning "token of remembrance, memento" is first recorded 1782.