Etymology

biorhythmic

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Today it means: Of or pertaining to biorhythms. Full definition →

English biorhythm ← Latin rhythmus ← Ancient Greek ῥῠθμός (rhŭthmós)
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The story

  1. Proto-Indo-European*gʷeyh₃-
  2. Ancient Greekβῐ́ος (bĭ́os)
  3. Ancient Greekβῐο- (bĭo-)
  4. Englishbio-
  5. Proto-Indo-European*ser-?
  6. Proto-Indo-European*srew-
  7. Proto-Indo-European*sru-dʰ-mo-s
  8. Proto-Hellenic*hrutʰmós
  9. Ancient Greekῥῠθμός (rhŭthmós)
  10. Latinrhythmus
  11. Englishrhythm
  12. Englishbiorhythm
  13. English todaybiorhythmic

From biorhythm + -ic.

Etymology from Wiktionary, CC BY-SA 4.0.