cleansing    umwūhagiro
En-En dictionary 
kwūhagira (-ūhagiye)   v    to bathe (vt) (originally associated with ceremonial cleansing at time of a death in family)
kwīyuhagira (-īyuhagiye)     v    1. to bathe oneself (formerly a ceremonial cleansing, but now bathing in general), 2. to shower
umwūhagiro (imy-  2  class 2
singular: umu-
plural: imi-
  
cleansing, bathing