thereby

[ th air-bahy, th air-bahy ]
/ ˌðɛərˈbaɪ, ˈðɛərˌbaɪ /

adverb

by that; by means of that.
in that connection or relation: Thereby hangs a tale.
by or near that place.
Scot. about that number, quantity, or degree.

Origin of thereby

before 900; Middle English therby, Old English thǣrbī. See there, by1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thereby

British Dictionary definitions for thereby

thereby

/ (ˌðɛəˈbaɪ, ˈðɛəˌbaɪ) /

adverb

by that means; because of that
archaic by or near that place; thereabouts
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

Word Origin and History for thereby

thereby


adv.

Old English þærbig "by means of or because of that;" see there + by. Cf. German dabei, Dutch daarbij.

Online Etymology Dictionary, © 2010 Douglas Harper