Where does “rainwash” come from?

rainwash (English) comes from English wash, from Middle English washen, from Old English wasċan, from Proto-West Germanic waskan, from Proto-Germanic waskaną, from Proto-Germanic watskaną, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

rainwash (English): The washing action of rain, capable of erosion...

Definitions

  1. The washing action of rain, capable of erosion...

Ancestry of “rainwash”, step by step

rainwash traces back through two separate lines of ancestry.

via English wash

StepLanguageWordMeaning
1EnglishwashTo clean with water; To move or erode by the...
2Middle Englishwashen
3Old Englishwasċanto wash
4Proto-West Germanicwaskanto wash
5Proto-Germanicwaskanąto wash
6Proto-Germanicwatskanąto wash, get wet
7Proto-Indo-Europeanwed-water
8Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via English rain

StepLanguageWordMeaning
1EnglishrainCondensed water falling from a cloud; Any matter...
2Middle Englishreynrain water falling from a cloud
3Old Englishreġnrain
4Proto-West Germanicregnrain
5Proto-Germanicregnąrain
6Proto-Indo-EuropeanHreǵ-to flow
Every word from Proto-Indo-European wey-Every word from Proto-Indo-European wed-Every word from Proto-Germanic watskaną