Etymology

flowmeter

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Today it means: Any of various devices used to measure the flow of a fluid through a pipe, etc. Full definition →

Ancient Greek μέτρον (métron) ← Proto-Indo-European *meh₁- ← English flow
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The story

  1. Proto-Indo-European*plew-
  2. Proto-Indo-European*plōw-der.?
  3. Proto-Indo-European*pleh₃(w)-der.?
  4. Proto-Germanic*flōaną
  5. Proto-West Germanic*flōan
  6. Old Englishflōwan
  7. Middle Englishflowen
  8. Middle Englishflowe
  9. Englishflow
  10. Proto-Indo-European*med-
  11. Proto-Indo-European*meh₁-
  12. Ancient Greekμέτρον (métron)
  13. English todayflowmeter

From flow + -meter.

Etymology from Wiktionary, CC BY-SA 4.0.