subsidency

from The Collaborative International Dictionary of English v.0.48

Subsidence \Sub*sid"ence\, Subsidency \Sub*sid"en*cy\, n. [L.
   subsidens, -entis, p. pr. of subsidere. See {Subside}.]
   The act or process of subsiding.
   [1913 Webster]

         The subdual or subsidence of the more violent passions.
                                                  --Bp.
                                                  Warburton.
   [1913 Webster]