longevity

Long life; great duration of life.

Length or duration of life or viability.

Long duration or continuance, as in an occupation.

Long life; unusually prolonged life or existence.

Length or duration of life; term of existence: as, statistics of longevity; the average longevity of the race.

Long duration of life; length of life.

The quality of being long-lasting, especially of life

the property of being long-lived

duration of service