tributary
US /ˈtrɪb.jə.ter.i/
UK /ˈtrɪb.jə.ter.i/

1.
tributario, vasallo
paying tribute to another state or ruler
:
•
The smaller kingdom became tributary to the powerful empire.
El reino más pequeño se volvió tributario del poderoso imperio.
•
The conquered people were forced to pay tributary taxes.
Los pueblos conquistados fueron obligados a pagar impuestos tributarios.