This is the 2723rd most frequent French word.
atterrir
"Atterrir" means "to land" (typically used for aircraft).
In this sentence, 'atterrir' is used in its literal sense to describe the action of an airplane landing.
L'avion va bientôt atterrir sur la piste.
The plane is about to land on the runway.
Here, 'atterrir' is used metaphorically to mean calming or settling down after an intense activity.
Après une longue soirée, je dois atterrir pour me ressourcer.
After a long evening, I need to settle down to recharge.
In this example, 'atterrir' is used figuratively to describe the process of coming to terms or mentally arriving at a state of understanding after a shock or significant event.