This is the 13714th most frequent Spanish word.
rondar
To roam, wander, or hover around.
Here, 'ronda' refers to a ghost's action of wandering or moving around, emphasizing mysterious or repetitive circular motion.
La leyenda de ese castillo habla de un espectro que ronda los pasillos.
The legend of that castle tells of a ghost that goes around the hallways.
In this case, 'rondando' indicates wandering casually or without a specific direction, often used for exploratory movement.
He estado rondando por esta calle buscando el restaurante.
I have been wandering around this street looking for the restaurant.
Here, 'ronda' means being near or approximately a certain amount, in this case, used to estimate age.