Where does “undoer” come from?

undoer (English) comes from English undo, from Middle English undōn, from Old English ondōn, from Proto-Germanic andadōnaz, from Proto-Germanic andadōną — to undo.

undoer (English): agent noun of undo; one who undoes

Definitions

  1. agent noun of undo; one who undoes

Ancestry of “undoer”, step by step

undoer traces back through two separate lines of ancestry.

via English undo

StepLanguageWordMeaning
1EnglishundoTo reverse the effects of an action; To unfasten;...
2Middle Englishundōn—
3Old Englishondōnto undo
4Proto-Germanicandadōnaz—
5Proto-Germanicandadōnąto undo

via Middle English undoer

StepLanguageWordMeaning
1Middle Englishundoer—
Every word from Proto-Germanic andadōną →Every word from Proto-Germanic andadōnaz →Every word from Old English ondōn →