This is the 1683rd most frequent Spanish word.
regresó
"Regresó" means "returned."
In this context, 'regresó' is used as the third person singular past tense of the verb 'regresar', indicating the action of returning.
Ella regresó temprano a casa después del trabajo.
She returned home early after work.
Here, 'regresó' is employed to describe the action of returning to a specific location, again as a past tense.
El ave regresó a su nido al atardecer.
The bird returned to its nest at sunset.
In this sentence, 'regresó' indicates movement of a collective subject back to a location previously occupied, again past tense usage.