adverb
thereunto
thair-un-TOO/ˌðɛrənˈtu/
To that thing, matter, or place.
The recipient indicates the table, and the messenger carries the parcel thereunto.

Etymology
There points to a previously identified place or thing, and unto supplies direction toward it. Together they mean “to that,” whether the reference is a location or a matter.
In context
the Doctorate of Business is hereby conferred upon George Rogers with all the rights and privileges appertaining thereunto.
the doctorate of divinity degree is hereby conferred upon Tim Lee with all the rights and privileges appertaining thereunto.
More examples
- She approves the petition and adds her signature thereunto.
- The deed transfers the land and all rights belonging thereunto.
- The contract specifies the payment and the conditions relating thereunto.
Similar words
- thereto
- Means the same thing but is less old-fashioned in legal writing.