Etymology

counterflow

C3O1U1N1T1E1R1F4L1O1W4

Today it means: A flow in the opposite direction; or the flow of two fluids in opposite directions Full definition →

English flow ← Middle English flowe ← Old English flōwan
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The story

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Proto-Italic*komteros
  6. Proto-Italic*komterād
  7. Latincontrā
  8. Old Frenchcontre-
  9. Anglo-Normancountre-
  10. Middle Englishcounter-
  11. Englishcounter-
  12. Proto-Indo-European*plew-
  13. Proto-Indo-European*plōw-der.?
  14. Proto-Indo-European*plew-
  15. Proto-Indo-European*pleh₃(w)-der.?
  16. Proto-Germanic*flōaną
  17. Proto-West Germanic*flōan
  18. Old Englishflōwan
  19. Middle Englishflowen
  20. Middle Englishflowe
  21. Englishflow
  22. English todaycounterflow

From counter- + flow.

Etymology from Wiktionary, CC BY-SA 4.0.