This is the 12656th most frequent Swedish word.
span
"Span" in Swedish means "scouting" or "searching."
Here, 'span' is used to refer to a quick observation or survey seeking to identify something.
Jag gjorde ett snabbt span omkring mig för att se om det fanns någon fara.
I made a quick scan around me to check if there was any danger.
In this context, 'span' represents an active search or hunt for an item or individual.
De är på ett span efter den försvunna hunden.
They are on a search for the missing dog.
Here, 'span' takes the meaning of a systematic investigation or surveillance carried out.