Where does “down-” come from?

down- (English) comes 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, from Proto-Celtic dūnom — smoke; mist, haze.

down- (English): decrease; lower position or direction, literally...

Definitions

  1. decrease; lower position or direction, literally...

Ancestry of “down-”, step by step

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

Words derived from “down-”

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