Where does “hereinafter” come from?

Hereinafter comes from English here and English after, with here deriving from Middle English her, Old English hǣr, and Proto-Indo-European apotero, apo-, ḱe-, and (s)ker-.

hereinafter (English): In the parts of this document, statement, or book...

Definitions

  1. In the parts of this document, statement, or book...

Ancestry of “hereinafter”, step by step

hereinafter traces back through two separate lines of ancestry.

via English herein

StepLanguageWordMeaning
1EnglishhereinWithin this content, context, or thing
2EnglishhereIn, on, or at this place; To this place; used in...
3Middle Englishhera hair; hair; pelt, hide, animal skin
4Old Englishhērat this place
5Proto-West Germanic*hērhere
6Proto-Germanichē₂rhere, in this place
7Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
8Middle Englishkyt
9Germankittputty certain kinds of cement used for fixing e.g. window panes
10Old High Germankuti
11Proto-West Germanickwidugum, resin
12Proto-Germanickweduzresin
13Proto-Indo-Europeangʷet-resin, gum; to say, speak
14Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English after

StepLanguageWordMeaning
1EnglishafterBehind; later in time; following; Subsequently...
2Middle Englishafterafter
3Old Englishæfterafter; according to
4Proto-West Germanic*aftarafter, behind
5Proto-Germanicafterafter, behind
6Proto-Indo-Europeanh₂epoterosfurther behind, further away
Every word from Proto-Indo-European gū-
hereinafter — Etymology, Origin & Word History | Etymology Explorer