noun, noun or participle which takes 'suru', intransitive verb
peaceful death; dying peacefully
Refers to a calm, natural death without suffering, often in old age. Can be used as a noun or with する to mean 'to die peacefully'.
祖母は眠るように大往生を遂げた。
My grandmother passed away peacefully as if falling asleep.
彼は百歳で大往生し
He died peacefully at the age of 100.