Dutch word opdrachtgever comes from Dutch opdracht (Commission. Order, request.), Dutch gever (Giver, someone who gives.)

Detailed word origin of opdrachtgever

Dictionary entry	Language	Definition
opdracht	Dutch (nld)	Commission. Order, request.
gever	Dutch (nld)	Giver, someone who gives.
opdrachtgever	Dutch (nld)	Client, customer.