This is the 24th most frequent Swedish word.
upp
"Upp" in Swedish means "up" in English.
In this sentence, 'upp' indicates direction or movement upwards, in this case, ascending the stairs.
Jag ska gå upp för trappan.
I will walk up the stairs.
Here, 'upp' is used to describe the rising or appearance of the sun, showing upward motion.
Solen gick upp klockan 6 i morse.
The sun rose at 6 o'clock this morning.
In this context, 'upp' denotes the positioning or attaching of something to a higher place, specifying an upward direction relative to a reference point.