The Collaborative International Dictionary of English v.0.48:

Jumble \Jum"ble\, v. t. [imp. & p. p. Jumbled; p. pr. & vb. n.
   Jumbling.] [Prob. fr. jump, i. e., to make to jump, or
   shake.]
   To mix in a confused mass; to put or throw together without
   order; -- often followed by together or up.
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         Why dost thou blend and jumble such inconsistencies
         together?                                --Burton.
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         Every clime and age
         Jumbled together.                        --Tennyson.
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