agedness
/eɪdʒdnɪs/noun
1The quality of being aged; old age; the symptoms or characteristics associated with this.
2Usually with modifying word or phrase. The condition or quality of being a certain age, or of having reached a specified stage of life.
Origin
Late 15th century; earliest use found in Stephen Scrope (1397–1472), author and translator. From aged + -ness.