Where does “downpatch” come from?

downpatch (English) comes from English Down, from Middle English doun, from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

downpatch (English): To revert (a piece of software, especially a video game) to a former version

Definitions

  1. To revert (a piece of software, especially a video game) to a former version

Ancestry of “downpatch”, step by step

downpatch traces back through two separate lines of ancestry.

via English Down

StepLanguageWordMeaning
1EnglishDownusually known as County Down
2Middle Englishdoundown
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā—
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English patch

StepLanguageWordMeaning
1EnglishpatchA piece of cloth, or other suitable material,...
2Italianpazzocrazy, insane; madman
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Proto-Germanic *dūnā →