遺事

Noun

 * 1) incidents of the past ages
 * 2) deeds of those now dead

Etymology
Attested in Japanese from at least the 16th century. Presumably from.

Noun

 * 1) matters conveyed from the past; historical events
 * 2) things left undone by people who have died
 * 3) things left undone from a past project or plan
 * 1) things left undone by people who have died
 * 2) things left undone from a past project or plan