Artificial intelligent assistant

then-tofore

then-toˈfore, adv. Obs. rare.
  [f. then adv., after theretofore.]
  Before then, before that time: = theretofore.

1626 L. Owen Spec. Jesuit. (1629) 7 According to many graces and priuiledges then-tofore granted. 1706 Col. Rec. Pennsylv. II. 268 Complaints made of the excessive charge thentofore of obtaining Lycences. 1785 J. Disney Mem. A. A. Sykes 130 Bishop Atterbury had thentofore written largely in support of the power of the convocation.

Oxford English Dictionary

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