Meaning

noun a late time of life

noun a time of life (usually defined in years) at which some particular qualification or power arises

originFrom Middle English elde, from Old English ieldu, eldo, ieldo (“age, period of time; period; time of life, years; mature or old age, eld; an age of the world, era, epoch”), from Proto-West Germanic *aldī, from Proto-Germanic *alþį̄ (“eld, age”), from *aldaz (“grown up, mature, old”), from Proto-Indo-European *h₂eltós, from *h₂el- (“to raise, feed”). Cognate with Scots eild (“age”), North Frisian…

Etymology from Wiktionary, CC BY-SA 3.0