\There*in"\, adv.
In that or this place, time, or thing; in that particular or
respect. --Wyclif.
      He pricketh through a fair forest, Therein is many a
      wild beast.                              --Chaucer.
      Bring forth abundantly in the earth, and multiply
      therein.                                 --Gen. ix. 7.
      Therein our letters do not well agree.   --Shak.