From Latin 'memoriale' (preserving memory), from PIE *(s)mer- (to remember) — same root as 'memory' and 'mourn.'
A statue, building, or other structure established to remind people of a person or event; serving to preserve remembrance.
From Latin memoriale (a record, reminder), neuter of memorialis (of or belonging to memory), from memoria (memory, recollection), from memor (mindful, remembering), from PIE *mer- or *smr- (to remember, to be mindful). The same root gives Sanskrit smarati (remembers) and Greek merimna (care, anxiety). Latin distinguished memoria (the faculty of memory) from monumentum (a physical reminder) — memorial bridges both