Where does “hereupon” come from?

Hereupon derives from Middle English "her" combined with "upon," with "her" tracing to Old English hǣr, Anglo-Norman eir, and ultimately Proto-Indo-European roots related to turning or separation.

hereupon (English): immediately afterward; at this

Definitions

  1. immediately afterward; at this

Ancestry of “hereupon”, step by step

hereupon traces back through two separate lines of ancestry.

via English Here

StepLanguageWordMeaning
1EnglishHereIn, on, or at this place (a place perceived to be close to the speaker); compare there
2Middle Englishhēra hair
3Old Englishhērat this place
4Proto-West Germanic*hērhere
5Proto-Germanichē₂rhere, in this place
6Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
7Middle Englishkyt
8Germankittputty certain kinds of cement used for fixing e.g. window panes
9Old High Germankuti
10Proto-West Germanickwidugum, resin
11Proto-Germanickweduzresin
12Proto-Indo-Europeangʷet-resin, gum; to say, speak
13Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

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-
Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz