This is the 2568th most frequent Swedish word.
nian
"The ninth" or "grade nine" (in school).
Here, 'nian' refers to bus route number nine.
Jag åkte med bussen på nian.
I took the bus on route nine.
In this case, 'nian' stands for ninth grade in school.
Han började gymnasiet i nian.
He started high school in ninth grade.
Here, 'nian' denotes the ninth section within the factory.