Disponge

• (v. t.) To sprinkle, as with water from a sponge.
Found on http://thinkexist.com/dictionary/meaning/disponge/

Disponge

Dis·ponge' transitive verb [ Prefix dis- + sponge .] To sprinkle, as with water from a sponge. [ Poetic & Rare] [ Written also dispunge .] « O sovereign mistress of true melancholy, The poisonous damp of night disponge upon me» . Shak.
Found on http://www.encyclo.co.uk/webster/D/90

disponge

to sprinkle or discharge as if from a sponge
Found on http://phrontistery.info/d.html
No exact match found