The Collaborative International Dictionary of English v.0.48:

Purple \Pur"ple\, v. t. [imp. & p. p. Purpled; p. pr. & vb. n.
   Purpling.]
   To make purple; to dye of purple or deep red color; as, hands
   purpled with blood.
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         When morn
         Purples the east.                        --Milton.
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         Reclining soft in blissful bowers,
         Purpled sweet with springing flowers.    -- Fenton.
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