The Collaborative International Dictionary of English v.0.48:

Purloin \Pur*loin"\, v. t. [imp. & p. p. Purloined; p. pr. &
   vb. n. Purloining.] [OF. purloignier, porloignier, to
   retard, delay; pur, por, pour, for (L. pro) + loin far, far
   off (L. longe). See Prolong, and cf. Eloign.]
   To take or carry away for one's self; hence, to steal; to
   take by theft; to filch.
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         Had from his wakeful custody purloined
         The guarded gold.                        --Milton.
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         when did the muse from Fletcher scenes purloin ?
                                                  --Dryden.
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