Source : Webster's Revised Unabridged Dictionary (1913)

Etern \E*tern"\ or Eterne \E*terne"\, a. [OF. eterne, L.
   aeternus, for aeviturnus, fr. aevum age. See {Age}, and cf.
   {Eternal}.]
   Eternal. [Poetic] --Shak.

         Built up to eterne significance.         --Mrs.
                                                  Browning.