The Collaborative International Dictionary of English v.0.48:

Fell \Fell\, v. t. [imp. & p. p. Felled; p. pr. & vb. n.
   Felling.] [AS. fellan, a causative verb fr. feallan to
   fall; akin to D. vellen, G. f[aum]llen, Icel. fella, Sw.
   f[aum]lla, Dan. f[ae]lde. See Fall, v. i.]
   To cause to fall; to prostrate; to bring down or to the
   ground; to cut down.
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         Stand, or I'll fell thee down.           --Shak.
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