geriatric
UK: ˌdʒer.iˈæt.rɪk | US: ˌdʒer.iˈæt.rɪk
adj. relating to old age or the care of elderly people
n. an elderly person, especially one receiving specialized care
geriatric = ger<old age> + iatr<medical treatment> + ic<adjective suffix>
- ger (from Greek "geron" meaning "old man" or "old age")
 - iatr (from Greek "iatros" meaning "healer" or "medical treatment")
 - ic (adjective-forming suffix indicating "pertaining to")
 
Etymology Origin:
The word "geriatric" combines Greek roots to describe medical care for the elderly. "Ger" reflects aging, while "iatr" ties it to healing, forming a term that literally means "pertaining to the medical treatment of the old." Coined in the early 20th century, it mirrors the specialization of healthcare for aging populations.
The hospital opened a new geriatric ward for patients over 70.
Geriatric medicine focuses on chronic conditions common in seniors.
She specializes in geriatric psychology, helping elderly patients cope with dementia.
The geriatric population requires tailored social services.
His research improved geriatric care standards nationwide.