a late time of life
"old age is not for sissies"
"he's showing his years"
"age hasn't slowed him down at all"
"a beard white with eld"
"on the brink of geezerhood"
plural of year.
"It has been years since we last saw each other, and I barely recognize him now."
A very long time.
In plain English: Years are the units we use to count how much time has passed since someone was born or an event happened.
"She has lived in this city for many years."
Years derives from Old English geār, which originally meant both "year" and "wain," referring to the yearly cycle of seasons or the wheel of time. The term evolved through Proto-Germanic jēraz before entering modern usage as a unit of solar time.