佛之壽命也，釋迦佛化身之壽命限於八十，報身之壽命則為無量，如法華經壽量品所說。
Buddha's life, or age. While he only lived to eighty as a man, in his saṁbhogakāyahe is without end, eternal; cf.Lotus Sutra, 壽量品, where Buddha is declared to be eternal.
一佛壽 其義有二，即：(一)指釋尊一期生命之歲壽。(二)久遠實成之釋尊與後之釋迦牟尼佛之壽量。p3436