THEREOF
thence, therefrom, thereof
(adverb) from that circumstance or source; “atomic formulas and all compounds thence constructible”- W.V.Quine; “a natural conclusion follows thence”; “public interest and a policy deriving therefrom”; “typhus fever results therefrom”
thereof
(adverb) of or concerning this or that; “a problem and the solution thereof”
Source: WordNet® 3.1
Etymology
Adverb
thereof (not comparable)
Of this, that or it.
From that circumstance or origin; therefrom, thence.
Source: Wiktionary
There*of", adv.
Definition: Of that or this.
In the day that thou eatest thereof, thou shalt surely die. Gen. ii.
17.
Source: Webster’s Unabridged Dictionary 1913 Edition