Where does “updrainage” come from?

updrainage (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.

updrainage (English): Upstream in the direction of drainage

Definitions

  1. Upstream in the direction of drainage

Ancestry of “updrainage”, step by step

updrainage 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 up

StepLanguageWordMeaning
1EnglishupAway from the surface of the Earth or other...
2Middle Englishupto a vertical axis
3Old Englishuppup; upstairs
4Proto-West Germanic*upp
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰerǵʰ-Every word from Proto-Germanic draugiz