This is the 3905th most frequent French word.
appartient
"Appartient" means "belongs."
In this sentence, 'appartient' is used to indicate possession or ownership of the book by Marie.
Cet livre appartient à Marie.
This book belongs to Marie.
Here, 'appartient' is used to describe membership or association with a group.
Il appartient à un groupe de chercheurs renommés.
He belongs to a group of renowned researchers.
In this sentence, 'appartient' signifies the attribution or assignment of a responsibility to him.