Dictionary.com
definitions
  • synonyms

thereinto

[th air-in-too, th air-in-too]
See more synonyms on Thesaurus.com
adverb
  1. into that place or thing.
  2. into that matter, circumstance, etc.

Origin of thereinto

First recorded in 1250–1300, thereinto is from the Middle English word thar into. See there, into
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for thereinto

thereinto

adverb
  1. formal into that place, circumstance, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012