Spading

from The Collaborative International Dictionary of English v.0.48

Spade \Spade\ (sp[=a]d), v. t. [imp. & p. p. {Spaded}; p. pr. &
   vb. n. {Spading}.]
   To dig with a spade; to pare off the sward of, as land, with
   a spade.
   [1913 Webster]