Read the dictionary definition of eld. All definitions for this word.
1. a time of life (usually defined in years) at which some particular qualification or power arises
1. she was now of school age
2. tall for his eld
2. a late time of life
1. old age is not for sissies
2. he's showing his years
3. age hasn't slowed him down at all
4. a beard white with eld
5. on the brink of geezerhood