Where does “undump” come from?

undump (English) comes from English dump, from Middle English dumpen, from Old Norse dumpa — to thump.

undump (English): To reconstruct a binary file from a dump

Definitions

  1. To reconstruct a binary file from a dump

Ancestry of “undump”, step by step

undump traces back through two separate lines of ancestry.

via English dump

StepLanguageWordMeaning
1EnglishdumpA place where waste or garbage is left; a ground...
2Middle Englishdumpen
3Old Norsedumpato thump

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Old Norse dumpaEvery word from Middle English dumpenEvery word from English dump
undump — Etymology, Origin & Word History | Etymology Explorer