thereat

[ th air-at ]
/ ˌðɛərˈæt /

adverb

at that place or time; there: Seeing the gate, they entered thereat.
because of that; thereupon.

Origin of thereat

before 900; Middle English ther at, Old English thǣr æt. See there, at1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thereat

British Dictionary definitions for thereat

thereat

/ (ˌðɛərˈæt) /

adverb rare

at that point or time
for that reason
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