The Collaborative International Dictionary of English v.0.48:

Sweat \Sweat\, v. i. [imp. & p. p. Sweat or Sweated (Obs.
   Swat); p. pr. & vb. n. Sweating.] [OE. sweten, AS.
   swaetan, fr. sw[=a]t, n., sweat; akin to OFries. & OS.
   sw[=e]t, D. zweet, OHG. sweiz, G. schweiss, Icel. sviti,
   sveiti, Sw. svett, Dan. sved, L. sudor sweat, sudare to
   sweat, Gr. ?, ?, sweat, ? to sweat, Skr. sv[=e]da sweat, svid
   to sweat. [root]178. Cf. Exude, Sudary, Sudorific.]
   1. To excrete sensible moisture from the pores of the skin;
      to perspire. --Shak.
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   2. Fig.: To perspire in toil; to work hard; to drudge.
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            He 'd have the poets sweat.           --Waller.
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   3. To emit moisture, as green plants in a heap.
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