thereof
Word family
- thereinadverbC2
- theretoadverbC2
- therefromadverbC2
- thereafteradverbC2
Synonym discussion
Sense: adverb/1
All four words belong to the formal family of 'there-' compounds where 'there' replaces a previously mentioned noun phrase. 'Thereof' means 'of that thing' (the terms thereof = the terms of the agreement) and is the most common of the set in modern writing. 'Therein' means 'in that thing' (the box and the documents therein). 'Thereto' means 'to that thing' (the contract and the schedules thereto). 'Therefrom' means 'from that thing' (the investment and the profits derived therefrom). Only 'thereof' appears with moderate frequency outside purely legal templates; the other three are largely confined to legal boilerplate and formal administrative texts.
Common collocations
Etymology
Formed in Middle English by combining 'there' (from Old English þǣr, meaning 'in that place') with 'of' (from Old English of, meaning 'away from'). Modeled on Anglo-Norman legal phrasing, it functioned as a compact way to say 'of that' without repeating the noun. First recorded in the 13th century and still used in formal and legal English today.