Where does “whereupon” come from?

Whereupon derives from Middle English whereupon, composed of where plus upon, ultimately from Old English upon meaning "on" or "in contact with."

whereupon (English): After which, in consequence; Upon which

Definitions

  1. After which, in consequence; Upon which

Ancestry of “whereupon”, step by step

whereupon traces back through two separate lines of ancestry.

via English upon

StepLanguageWordMeaning
1EnglishuponPhysically above and in contact with; Physically...
2Middle Englishuponupon
3Middle Englishup-
4Old Englishūp-up-
5Old Englishūpup, from above
6Proto-Germanicuppup, upwards
7Proto-Germanicubunder
8Proto-Indo-Europeanupóunder, below
9Proto-Indo-Europeanh₃ewp-

via English where

StepLanguageWordMeaning
1EnglishwhereWhile on the contrary; although; whereas; At or...
2Middle Englishwherwhere
3Old Englishhwǣrwhere
4Old English-aEnding forming adverbs; nominative masculine...
5Proto-GermanicCreates feminine nouns from roots and stems
6Proto-Germanic-ly; Forms agent nouns, often from the zero-grade...
7Proto-Indo-EuropeanDerives nouns from roots
Every word from Proto-Indo-European h₃ewp-