This is the 12094th most frequent German word.
umkleiden
"Umkleiden" means "to change clothes" or "to dress/cover something in a different way."
The verb 'umkleiden' here is used reflexively, indicating the subject is changing their own clothes.
Ich muss mich umkleiden, bevor wir ausgehen.
I need to change clothes before we go out.
In this sentence, 'Umkleide' is used as a noun derived from the verb 'umkleiden', meaning changing area or room for changing clothes.
Der Raum dient als Umkleide für die Sportler.
The room serves as a changing area for the athletes.
Here, 'umkleiden' is used metaphorically to mean enveloping or adorning something with another layer or context.