Etymology

-rrhea

Today it means: flowing. Full definition →

Ancient Greek ῥοία (rhoía) ← Proto-Hellenic *hréwō ← Proto-Indo-European *sréweti
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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. Ancient Greekῥοία (rhoía)
  7. English today-rrhea

Borrowed from Ancient Greek ῥοία (rhoía, “flow, flux”).

Etymology from Wiktionary, CC BY-SA 4.0.