Where does “downgrade” come from?

downgrade (English) comes from English down-, from Middle English down-, from Old English dūne-, from Old English dūne, from Old English adūne, from Old English ofdūne, from Old English dūn, from Proto-Germanic *dūnā — smoke; mist, haze.

downgrade (English): A reduction of a rating, as a financial or credit...

Definitions

  1. A reduction of a rating, as a financial or credit...

Ancestry of “downgrade”, step by step

StepLanguageWordMeaning
1Englishdown-decrease; lower position or direction, literally...
2Middle Englishdown-—
3Old Englishdūne-down-
4Old Englishdūnehill; down, downward
5Old Englishadūne—
6Old Englishofdūneoff the hill; down
7Old Englishdūnhill, down; hill, dune; hill, mountain
8Proto-Germanic*dūnā—
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “downgrade”

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Proto-Germanic *dūnā →