Breakdown of Während wir das Hosenbein abstecken, markiert er den Saum.
Questions & Answers about Während wir das Hosenbein abstecken, markiert er den Saum.
Während is a subordinating conjunction meaning while in this sentence. It introduces a subordinate clause: Während wir das Hosenbein abstecken.
Because it is a subordinating conjunction, it changes the word order in that clause: the conjugated verb goes to the end.
Because während creates a subordinate clause, German sends the finite verb to the end of that clause.
So instead of a main-clause pattern like:
Wir stecken das Hosenbein ab.
you get:
Während wir das Hosenbein abstecken ...
Here, abstecken appears as one full verb form at the end. In a subordinate clause, separable-prefix verbs are usually written together rather than split apart.
This is because the whole während-clause comes first, and in German the finite verb of the main clause must come in the second position.
The first position is occupied by the entire opening clause:
Während wir das Hosenbein abstecken
So the main clause begins with the verb:
markiert er den Saum
That is normal German word order. If the main clause came first, you would say:
Er markiert den Saum, während wir das Hosenbein abstecken.