sublet
US /ˌsʌbˈlet/
UK /ˌsʌbˈlet/

1.
untervermieten
to allow someone to rent all or part of a house or other building that you are renting from someone else:
:
•
Our rental contract states that we are not allowed to sublet the house.
1.
untervermieten
a room or other part of a building, or all of a building, that is being rented by someone and that they in turn rent to another person:
:
•
It was a working-class district of immigrants, many of them living in illegal sublets.