What's the "een" in Halloween?
1610s, "fact or manner of proceeding," from French procédure "manner of proceeding" (c.1200), from Old French proceder "to proceed" (see proceed). Meaning "method of conducting business in Parliament" is from 1839.
procedure pro·ce·dure (prə-sē'jər)
A series of steps taken to accomplish an end.
A surgical operation or technique.