
irgendwoher
from somewhere
Indicates an unspecified or unknown place or an unspecified source from which something or someone comes. It is the answer to the question 'Woher?' (from where?), when the exact origin is not known or not important.
Ich habe ein Geräusch gehört, es muss irgendwoher aus dem Keller gekommen sein.
I heard a noise; it must have come from somewhere in the basement.
