This is the 4483rd most frequent French word.
interpeller
To question, call out to, or arrest.
In this sentence, 'interpeller' is used in the context of law enforcement, where it means to apprehend or take into custody.
Le policier a interpellé le suspect au coin de la rue.
The policeman apprehended the suspect at the street corner.
Here, 'interpeller' is used figuratively, meaning to deeply move or call one's attention to something emotionally or intellectually.
Cette œuvre d'art me interpelle profondément.
This artwork profoundly strikes me.
In this context, 'interpeller' means to call on or address someone, usually in a formal or confrontational manner.