Etymology

brainstorming

B3R1A1I1N1S1T1O1R1M3I1N1G2

Today it means: A method of problem solving in which members of a group contribute ideas spontaneously. Full definition →

English brainstorm ← Middle English brayn ← Old English bræġn
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The story

  1. Proto-Indo-European*mregʰ-
  2. Proto-Indo-European*mrógʰ-n̥ ~ *mrégʰ-n̥-s
  3. Proto-Germanic*bragną
  4. Proto-West Germanic*bragn
  5. Old Englishbræġn
  6. Middle Englishbrayn
  7. Englishbrain
  8. Englishstorm
  9. Englishbrainstorm
  10. English todaybrainstorming

From brainstorm + -ing.

Etymology from Wiktionary, CC BY-SA 4.0.