This is the 3770th most frequent Spanish word.
reapertura
"Reapertura" means "reopening."
Here, 'reapertura' is a noun referring to the act of opening again, specifically of the museum.
La reapertura del museo fue celebrada por la comunidad.
The reopening of the museum was celebrated by the community.
In this sentence, 'reapertura' refers again to the act of opening once more, this time applied to borders.
Estamos esperando la reapertura de las fronteras para viajar.
We are waiting for the reopening of the borders to travel.
In this context, 'reapertura' serves as a noun describing the future event of reopening, in reference to a school.