early 14c., "fact of being carried on" (e.g. in process), from O.Fr. proces "journey" (13c.), from L. processus "process, advance, progress," from pp. stem of procedere "go forward" (see proceed). Meaning "course or method of action" is from mid-14c.; sense of "continuous series of actions meant to accomplish some result" (the main modern sense) is from 1620s. Legal sense of "course of action of a suit at law" is attested from early 14c. Verb meaning "prepare by special process" first recorded 1884; processor is 1909; data processor is 1958; word processor is c.1974; food processor is 1977.