Where does “downconvert” come from?

downconvert (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.

downconvert (English): To convert from a higher quality or resolution...

Definitions

  1. To convert from a higher quality or resolution...

Ancestry of “downconvert”, step by step

downconvert 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 convert

StepLanguageWordMeaning
1EnglishconvertTo transform or change into another form,...
2Middle Englishconvertento change, transform
3Old Frenchconvertirto convert
4Latinconvertōto turn upside-down; to invert
5Proto-Italickomwertōto turn back
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Proto-Germanic *dūnā →