därav

därav

"Därav" means "thereof" or "of that."

In this sentence, 'därav' is used to connect the result (confusion arose) to the cause (the event was unusual).

Händelsen var ovanlig, och därav uppstod förvirring.

The event was unusual, and therefore confusion arose.

Here, 'därav' introduces an explanation or reasoning for an action (not being able to participate).

Jag har brist på tid, därav kan jag inte delta.

I am short on time, hence I cannot participate.

In this case, 'därav' is utilized to describe the source or origin of something (his skill originating from extensive practice).

Han spelade piano hela dagen, och därav kommer hans skicklighet.

He played the piano all day, and thus his skill comes from that.