also: なななぬか · なななのか
noun
49th day after death
In Buddhist tradition, the 49th day after a person's death, when a memorial service is often held. Also referred to as 四十九日 (しじゅうくにち).
七七日の法要を営む。
Hold a memorial service on the 49th day after death.
七七日が過ぎるまで、喪に服す習慣がある。
There is a custom of mourning until the 49th day has passed.