Where does “rainshade” come from?

rainshade (English) comes from English rain, from Middle English reyn, from Old English reġn, from Proto-West Germanic regn, from Proto-Germanic regną, from Proto-Indo-European Hreǵ- — to flow.

rainshade (English): an umbrella; any covering to protect or shield...

Definitions

  1. an umbrella; any covering to protect or shield...

Ancestry of “rainshade”, step by step

rainshade traces back through two separate lines of ancestry.

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

via English shade

StepLanguageWordMeaning
1EnglishshadeDarkness where light, particularly sunlight, is...
2Middle EnglishschadeA shadow or a similar effect; A shade or...
3Old Englishsċeadushadow, shade; darkness; protection
4Proto-West Germanicskadushadow
5Proto-Germanicskaduza shadow
6Proto-Indo-European(s)ḱeh₃-darkness, shadow
Every word from Proto-Indo-European Hreǵ-Every word from Proto-Germanic regnąEvery word from Proto-West Germanic regn