Meaning of “next” - Learner’s Dictionary

next

adverb uk us /nekst/
AFTER

A2 immediately after:

You'll never guess what happened next.
Where shall we go next?
AGAIN

The time when you next do something is the first time you do it again:

Could you get some coffee when you next go to the supermarket?

(Definition of “next adverb” from the Cambridge Learner’s Dictionary © Cambridge University Press)