whereof

[ hwair-uhv, -ov, wair- ]

/ ʰwɛərˈʌv, -ˈɒv, wɛər- /

adverb, conjunction

of what, which, or whom.

Nearby words

whereby, wherefore, wherefrom, wherein, whereinto, whereof, whereon, wheresoe'er, wheresoever, wherethrough, whereto

Origin of whereof

First recorded in 1150–1200, whereof is from the Middle English word wherof. See where, of¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for whereof

All these are natural expressions of innocent gaiety and youthful elasticity of spirits, whereof this world sees far too little.
Glances at Europe|Horace Greeley
Whereof Olaf says that a good leader will act first, and call his council afterwards.
King Olaf's Kinsman|Charles Whistler
For this purpose, a passage was artfully interpolated in the statement of Faukes, whereof no trace is found in the original.
What was the Gunpowder Plot?|John Gerard
The Port Royal “is divided into two great armes, whereof the one runneth toward the west, the other toward the north.”
The Lily and the Totem|William Gilmore Simms

By astragalomancy, whereof I have the plots and models all at hand ready for the purpose.
Gargantua and Pantagruel, Complete.|Francois Rabelais

British Dictionary definitions for whereof

whereof

/ (wɛərˈɒv) archaic, or formal /

adverb

of what or which person or thing?

pronoun

of which (person or thing)the man whereof I speak is no longer alive

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