palier

/pa.lje/
1.
nounmasculine

landing (the flat area between two flights of stairs, or outside apartment doors)

Je l'ai croisé sur le palier en sortant les poubelles.

I ran into him on the landing while taking out the trash.

2.
nounmasculine

level / plateau / stage (a point where progress stabilizes in a process, growth, or measurement)

Nos ventes ont atteint un palier ce mois-ci.

Our sales have reached a plateau this month.