Where does “downdrainage” come from?

downdrainage (English) comes from English drainage, from English drain, from Middle English dreinen, from Old English drēahnian, from Proto-Germanic drauhnōną, from Proto-Germanic draugiz, from Proto-Indo-European dʰerǵʰ-, from Proto-Indo-European dʰer- — to support; to hold.

downdrainage (English): Downstream in the direction of drainage

Definitions

  1. Downstream in the direction of drainage

Ancestry of “downdrainage”, step by step

downdrainage traces back through two separate lines of ancestry.

via English drainage

StepLanguageWordMeaning
1EnglishdrainageA natural or artificial removal of fluid from a...
2EnglishdrainA conduit allowing liquid to flow out of an...
3Middle Englishdreinen
4Old Englishdrēahnianto drain, strain, filter
5Proto-Germanicdrauhnōnąto strain, sieve
6Proto-Germanicdraugizhard, solid; dry
7Proto-Indo-Europeandʰerǵʰ-to strengthen; to strengthen; become hard; to...
8Proto-Indo-Europeandʰer-to support; to hold

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
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰerǵʰ-Every word from Proto-Germanic draugiz