What does thereto mean?
Thereto is a formal adverb meaning “to or into that place, thing, or situation,” and, in another established use, “concerning that matter” or “in relation to it.” Its meaning depends on what “that” refers to: in legal or technical contexts, it may indicate movement toward a place or object, as in “access thereto,” or simply refer back to a previously mentioned subject, as in “the rules governing thereto.” The word is especially associated with contracts, legislation, official documents, and formal reports, where concise reference avoids repeating a noun. It is not usually used in casual speech; “to it,” “to that,” or a clearer modern construction is more natural there. Thereto is also easily confused with “thereby,” which expresses means or result, and with “thereof,” which expresses origin, possession, or connection. Despite its old-fashioned appearance, thereto remains a precise and useful word in formal English.
adverbTo or into that place, thing, or situation. It can also mean concerning or in relation to that matter.
- To or into that place, thing, or situation.
- Concerning or in relation to that matter.
"The agreement gives the parties access to the documents relating thereto."
"The parties shall submit any amendments thereto in writing."
"The report discusses the ethical concerns arising thereto."
Thereto compresses the ideas of “to that” and “concerning that” into a formal phrase that has been sounding English for centuries.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does thereto come from?
Thereto is a compound of “there” and the preposition “to,” meaning literally “to that.” “There” ultimately derives from Old English þær, while “to” comes from Old English tō. The combined adverb is recorded in English from the medieval period and was especially favored in legal and administrative writing. Its relatives “therein,” “thereof,” “thereupon,” and “thereby” share the same demonstrative root but express different relationships.
How thereto is actually used
Thereto is formal and literary, especially common in legal, governmental, and technical writing. It is much less usual in everyday conversation, where “to it,” “to that,” or a more explicit phrase is usually preferred.
Easily confused with thereto
Thereby means “by that means” or “as a result,” whereas thereto means “to that place or thing” or “concerning that matter.”
Thereof means “of that” or “from that,” while thereto refers to a destination or to a matter under discussion.