This is the 4032nd most frequent German word.
weißen
"Weißen" means "to whiten" or "to whitewash."
In this sentence, 'weißen' refers to the action of applying a white coating to surfaces, specifically whitewashing.
Die Handwerker weißen die Wände jeden Sommer.
The workers whitewash the walls every summer.
Here, 'weißen' is used metaphorically to mean cleaning or whitening items to restore their original appearance.
Ich möchte meine Schuhe weißen, damit sie wieder sauber aussehen.
I want to whiten my shoes so they look clean again.
In this context, 'weißen' indicates the process of covering the walls with a white substance, likely lime or paint, enhancing brightness.