This is the 83rd most frequent French word.
saison
Season.
The word 'saison' is used to denote a period within a year associated with specific weather or activities, such as summer.
L'été est ma saison préférée.
Summer is my favorite season.
'Saison' refers to an installment or cycle within a larger narrative structure, such as a series in television.
Cette série a une nouvelle saison qui sort bientôt.
This series has a new season coming out soon.
Here, 'saison' indicates a particular time period characterized by a specific activity, the harvest.