Gerocomy

Ge·roc'o·my noun [ French gérocomie , from Greek ... an old man + ... to take care of.] That part of medicine which treats of regimen for old people.
Found on http://www.encyclo.co.uk/webster/G/23

Gerocomy

• (n.) That part of medicine which treats of regimen for old people.
Found on http://thinkexist.com/dictionary/meaning/gerocomy/

gerocomy

study of old age
Found on http://phrontistery.info/g.html
No exact match found