Meaning of “see sb out” - Learner’s Dictionary

see sb out

phrasal verb with see us uk /siː/ verb present participle seeing, past tense saw, past participle seen

to take someone to the door of a room or building when they are leaving:

Don't worry, I'll see myself out (= leave the room/building by myself).

(Definition of “see sb out” from the Cambridge Learner’s Dictionary © Cambridge University Press)