antaño

adv. aforetime, yesteryear

= earlier years, in days of yore, in times of yore, in olden times, in olden days, the good old days.
Ex: Overall findings indicate that while the amount of research reported is remaining stable, the methods have improved somewhat in 1974, as compared to earlier years.
Ex: The bogeymen that lived under our beds in days of yore don't seem as frightening as those who reside, whether recognized by the children or not, under the beds of today's generation.
Ex: In times of yore, the umbrella was part of the royal regalia, or symbol of rank.
Ex: We have made wonderful inventions but in the courts we still move as slowly as the travelers that in olden times creeped along in ox carts and canal boats.
Ex: In olden days, women of ill-repute would put a red light bulb in their front porch light socket.
Ex: This book explains why 'the good old days' were only good for a privileged few and why they were unrelentingly hard for most.
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* de antaño = of old, age-old, old-time, of yore, of olden days, of yesteryear, bygone.
* en antaño = in olden times, in olden days.