mid-14c., "perseverance, a keeping up, a going on," from Old French continuance (13c.), from continuer (see continue). From late 14c. as "a holding on or remaining in a particular state;" in law, "the deferring of a trial or hearing to a future date" (early 15c.).
contingence
contingencies
contingency
contingent
continual
continuance
continuation
continue
continuity
continuous
continuum