con·trib·ute / kənˈtribyoōt; -byət/ • v. [tr.] give (something, esp. money) in order to help achieve or provide something: he contributed more than $500,000 to the center | [intr.] she contributed to a private pension. ∎  [intr.] (contribute to) help to cause or bring about: gases that contribute to global warming. ∎  supply (an article) for publication: he contributed articles to the magazine | [intr.] the staff who contribute to your sports pages are doing a splendid job. ∎  [intr.] give one's views in a discussion.DERIVATIVES: con·trib·u·tive / -yətiv/ adj.

contribute XVI. f. L. contribūt-, pp. stem of contribuere bring together, f. CON- + tribuere bestow (see TRIBUTE).
So contribution XIV. — (O)F. or late L. contributory XV. — medL.