Source : Webster's Revised Unabridged Dictionary (1913)

To- \To-\ (?, see {To}, prep.), [AS. to- asunder; akin to G.
   zer-, and perhaps to L. dis-, or Gr. ?.]
   An obsolete intensive prefix used in the formation of
   compound verbs; as in to-beat, to-break, to-hew, to-rend,
   to-tear. See these words in the Vocabulary. See the Note on
   {All to}, or {All-to}, under {All}, adv.