contributory

contributory is an Adverb

Definition:

[1] Contributing to the same stock or purpose; promoting the same end; bringing assistance to some joint design, or increase to some common stock; contributive. Milton. Bonfires of contributory wood. Chapman. Contributory negligence (Law), negligence by an injured party, which combines with the negligence of the injurer in producing the injury, and which bars recovery when it is the proximate cause of the injury. Wharton.