You searched for: “nostology
nostology, nostologic
1. The study of the senile stages of an organism or race of organisms.
2. The study of senility, gerontology, and geriatrics.

Based on the idea that some aspects of "later life [senility] is somewhat like returning to early years".

This entry is located in the following units: nosto-, nost- (page 1) -ology, -logy, -ologist, -logist (page 49)