资料来源 : Webster's Revised Unabridged Dictionary (1913)

Twelve \Twelve\, a. [OE. twelve, twelf, AS. twelf; akin to
   OFries. twelf, twelef, twilif, OS. twelif, D. twaalf, G.
   zw["o]lf, OHG. zwelif, Icel. t?lf, Sw. tolf, Dan. tolv, Goth.
   twalif, from the root of E. two + the same element as in the
   second part of E. eleven. See {Two}, and {Eleven}.]
   One more that eleven; two and ten; twice six; a dozen.

   {Twelve-men's morris}. See the Note under {Morris}.

   {Twelve Tables}. (Rom. Antiq.) See under {Table}.