noun
longevity; prolongation of life
Formal or literary term for extending one's lifespan; often used in contexts like health, medicine, or traditional wishes.
延年の秘薬を求めて旅に出た。
He set out on a journey in search of an elixir of longevity.
この漢方薬は延年効果があるとされている。
This herbal medicine is said to have life-prolonging effects.