coined 1909 by Austrian-born doctor Ignatz L. Nascher (1863-1944) in "New York Medical Journal" on the model of pediatrics from geriatric (q.v.). Also see -ics. The correct formation would be gerontiatrics.
geratology
gerbera
gerbil
*gere-
geriatric
geriatrics
germ
german
German
germane
Germanic