Etymology

idiorrhythmic

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Today it means: self-regulating; usually referring to an Eastern form of monastic life where monks live alone, often in isolation, constantly in mental prayer. Full definition →

Ancient Greek ῥῠθμός (rhŭthmós) ← Proto-Hellenic *hrutʰmós ← Proto-Indo-European *sru-dʰ-mo-s
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The story

  1. Proto-Indo-European*swé
  2. Proto-Indo-European*swéd-yo-s
  3. Proto-Hellenic*hwédios
  4. Ancient Greekῐ̓́δῐος (ĭ́dĭos)
  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. English todayidiorrhythmic

From Ancient Greek ῐ̓́δῐος (ĭ́dĭos, “own, personal, distinct”) + ῥῠθμός (rhŭthmós).

Etymology from Wiktionary, CC BY-SA 4.0.