This is the 843rd most frequent Finnish word.
jakson
The Finnish word "jakson" is the genitive singular form of "jakso," meaning "period," "episode," or "segment."
In this sentence, 'jakson' refers to a defined period of time, specifically a division of an academic or school year.
Opinnot etenivät seuraavan jakson aikana.
Studies progressed during the next period.
Here, 'jakso' refers to an episode, a part of a series.
Televisiosarjasta jäi väliin yksi jakso.
One episode of the television series was missed.
In this usage, 'jakson' denotes a phase or segment within a larger project.