noun
49th day after death; forty-ninth day memorial service
In Buddhist tradition, the 49th day after a person's death, when a memorial service is held. Often used in the context of Japanese funeral customs.
四十九日の法要を営む。
Hold a memorial service on the 49th day after death.
四十九日が過ぎるまでは、喪に服す
We remain in mourning until the 49th day has passed.