This is the 4675th most frequent German word.
verkürzen
"Verkürzen" means "to shorten" or "to reduce."
In this sentence, 'verkürzen' is used to indicate reducing the length or duration of something, in this case, the waiting time.
Ich möchte die Wartezeit verkürzen.
I want to shorten the waiting time.
Here, 'verkürzen' refers to physically reducing the length of an object, specifically the pants.
Er hat die Hosen verkürzt.
He shortened the pants.
In this usage, 'verkürzen' means to reduce the scheduled time for an activity, like working hours in this context.