退出 たいしゅつ
taishutsu

Noun
Suru Verb

1. leaving (e.g. a courtroom, workplace); exiting; withdrawal (e.g. from a superior's presence)

Intransitive
先生 せんせい生徒 せいと たち講義 こうぎ しつ退出 たいしゅつさせなかった。
sensēwa sētotachini kōgishitsuo taishutsu sasenakatta.
The teacher did not permit the students to leave the lecture hall.