Etymology

rheogoniometer

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Today it means: A type of rheometer that can be used to measure the viscous and elastic flow properties of a fluid, commonly called a Weissenberg Rheogoniometer. Full definition →

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

  1. Proto-Indo-European*ser-?
  2. Proto-Indo-European*srew-
  3. Proto-Indo-European*sréweti
  4. Proto-Hellenic*hréwō
  5. Ancient Greekῥέω (rhéō)
  6. Englishrheo-
  7. Proto-Indo-European*ǵónu
  8. Proto-Hellenic*gónu
  9. Proto-Hellenic*gonwía
  10. Ancient Greekγωνίᾱ (gōníā)
  11. Englishgonio-
  12. Proto-Indo-European*med-
  13. Proto-Indo-European*meh₁-
  14. Ancient Greekμέτρον (métron)
  15. Englishgoniometer
  16. English todayrheogoniometer

From rheo- + goniometer.

Etymology from Wiktionary, CC BY-SA 4.0.