This is the 4717th most frequent Spanish word.
comprobado
Proven or verified.
Here, 'comprobado' is used as the past participle of 'comprobar', meaning 'to verify' or 'to confirm', indicating the action of confirming that something is true.
He comprobado que las puertas están cerradas.
I have verified that the doors are closed.
In this context, 'comprobado' functions as an adjective, describing the fact as being verified or proven as true.
Es un hecho comprobado que el ejercicio mejora la salud.
It is a proven fact that exercise improves health.
Here, 'comprobado' is the past participle form used in conjunction with 'haber' to form the perfect tense, indicating the completion of the action of verifying.