This is the 1973rd most frequent French word.
terminée
"Terminée" means "finished" or "completed."
The word 'terminée' is used here as an adjective to describe that the task has been concluded and is no longer ongoing.
La tâche est terminée.
The task is finished.
'Terminée' is used as part of a past participial phrase to indicate the completion of the event described, functioning as an adjective modifying 'réunion' in this construction.
Une fois la réunion terminée, nous pourrons discuter.
Once the meeting has ended, we can discuss.
'Terminée' works as an adjective here, elaborating on the state of the 'year' as being concluded in her perspective.