\Thence`forth"\, adv.
From that time; thereafter.

      If the salt have lost his savor, wherewith shall it be
      salted? it is thenceforth good for nothing. --Matt. v.
                                               13.

Note: This word is sometimes preceded by from, -- a
      redundancy sanctioned by custom. --Chaucer. --John.
      xix. 12.