This is the 217th most frequent Norwegian word.
ap
"Ap" is an abbreviation for "Arbeiderpartiet," the Norwegian Labour Party.
Here, "ap" functions as a short form of "åpne," meaning "open" or "unlock."
Jeg må ap låsen før vi kan gå inn.
I need to unlock the lock before we can go inside.
In this context, "ap" is used poetically as an abbreviation for "ærlighet," meaning "honesty" or "dedication."
Han viste stor ap i løpet av sin karriere.
He showed great dedication during his career.
Here, "ap" represents the abbreviation of "på," meaning "on" as used with electrical devices.