Where does “thereunto” come from?

Thereunto derives from English there, from Middle English ther, from Middle English þeir, from Proto-Germanic þar, tracing back through Proto-Indo-European terp-, trep-, and terp- to the root só.

thereunto (English): thereto

Definitions

  1. thereto

Ancestry of “thereunto”, step by step

thereunto traces back through two separate lines of ancestry.

via English there

StepLanguageWordMeaning
1EnglishthereIn a place or location at some distance from the...
2Old Englishþærthere
3Proto-West Germanicþārthere
4Proto-Germanicþarthere, in that place
5Proto-Indo-Europeantar-there
6Proto-Indo-Europeanto-it; that; the, that
7Proto-Indo-Europeansóthis; that

via English unto

StepLanguageWordMeaning
1EnglishuntoUp to the time or degree that; until; Up to,...
2Middle Englishuntounto
3Old Englishuntō—
Every word from Proto-Indo-European só →Every word from Proto-Indo-European to- →Every word from Proto-Indo-European tar- →