Questions & Answers about Jeg går op ad trappen til min etage.
Because op ad trappen means up the stairs/staircase, with movement along the stairs.
- op = up
- ad = along/up along
- trappen = the stairs / the staircase
So gå op ad trappen is the normal way to say go/walk up the stairs.
By contrast, på trappen usually means on the stairs or on the staircase, focusing more on location than the upward movement. So:
- Jeg går op ad trappen = I walk/go up the stairs
- Jeg står på trappen = I am standing on the stairs
In this sentence, ad is a preposition used with movement along a surface, route, or path.
In op ad trappen, it helps express the idea of moving along the stairs in an upward direction.
You will see the same pattern in other expressions:
- ned ad gaden = down the street
- op ad bakken = up the hill
- hen ad vejen = along the road
So ad does not mean exactly one English word by itself here. It is part of the expression that gives the sense up along the stairs.