minusim
To be affected by the season of s.t.
It is used if many of the same things are happening at approximately the same time, like having lots of food, many children being born, etc.
We are affected by the season. It means we have lots of food now.
(It does not mean that they just harvested but simply that they have much food.)
We are affected by the season of children. Many relatives give birth at about the same time.
We are affected by the season. Because many of our relatives have had marriage proposals.