Eld

n. [A-S. eld, ǽld, yld, yldo, ildū, old age, from ald, eald, old. See OLD.] 1. Age; especially, old age. [Rare.] Great nature, ever young, yet full of eld. Spencer.

2. Old people. [Obs.] “They count him of the green-haired eld.” Chapman.
3. Old times; former days; antiquity. [Rare.]

“ Astrologers and men of eld.” Longfellow.