en suite
/ɒŋˈswiːt/adjective & adverb
1- (of a bathroom) immediately adjoining a bedroom and forming part of the same set of rooms（浴室）与卧室相连的（地）。
1.1
- as adj.(of a bedroom) having such a bathroom（卧室）带浴室的。
词源
late 18th cent. （in the sense 'in agreement or harmony'）： from French, literally 'in sequence'.