adrenopause

noun

adre·​no·​pause ə-ˈdrē-nə-ˌpȯz  -ˈdren-ə- 

: a gradual and progressive decrease in the secretion of hormones by the adrenal glands that occurs normally with increasing age during adult life

The phenotypic features of adrenopause are less well chronicled, possibly because adrenopause occurs over decades (starting at age 25 years) …

—Sara L. Berga, Alternative Therapies in Women's Health