This is the 2372nd most frequent Swedish word.
fas
"Fas" in Swedish means "phase" or "stage."
Here, 'fas' is used to mean 'phase' or 'stage', referring to specific stages in a process.
Byggandet av huset gick in i en ny fas.
The construction of the house entered a new phase.
In this sentence, 'fas' again means 'phase', used metaphorically to describe a period in someone's life.
Hon gick igenom en svår fas i livet.
She went through a difficult phase in life.
'fas' is used to describe 'phase' as an initial period or section of research or study.