This is the 8907th most frequent French word.
cantonner
To confine, restrict, or station.
Here, 'cantonner' is used in a reflexive form meaning to restrict or limit oneself to a certain area or scope.
Je dois me cantonner à ce quartier pour mon travail.
I must confine myself to this neighborhood for my work.
In this context, 'cantonner' implies restriction or assignment to a specific role or domain.
Il a été cantonné dans un rôle administratif toute sa carrière.
He was confined to an administrative role throughout his career.
This usage of 'cantonner' shows adopting a specific area or domain as a base or location to operate within.