Meaning of “leave behind sth; leave sth behind (sb)” - Learner’s Dictionary

leave behind sth; leave sth behind (sb)

phrasal verb with leave uk us /liːv/ verb (past tense and past participle left /left/)

to make a situation exist after you have left a place:

The army left a trail of destruction behind them.

(Definition of “leave behind sth; leave sth behind (sb)” from the Cambridge Learner’s Dictionary © Cambridge University Press)