Where does “rainburst” come from?

rainburst (English) comes from English burst, from Middle English bresten, from Old English berstan, from Proto-Germanic *brestan, from Proto-Germanic brestaną, from Proto-Indo-European bʰres‑ — to burst; break; crack; crackle.

rainburst (English): A sudden shower of rain

Definitions

  1. A sudden shower of rain

Ancestry of “rainburst”, step by step

rainburst traces back through two separate lines of ancestry.

via English burst

StepLanguageWordMeaning
1EnglishburstTo break from internal pressure; To cause to...
2Middle EnglishbrestenTo burst break from internal pressure
3Old Englishberstanto break, shatter, burst
4Proto-Germanic*brestan
5Proto-Germanicbrestanąto burst, break, sunder, split, crack
6Proto-Indo-Europeanbʰres‑to burst; break; crack; crackle

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 bʰres‑Every word from Proto-Germanic brestanąEvery word from Proto-Germanic *brestan