Etymology

progeroid

P3R1O1G2E1R1O1I1D2

Today it means: Resembling old age. Full definition →

Ancient Greek εἶδος (eîdos) ← Proto-Hellenic *wéidos ← Proto-Indo-European *wéydos
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The story

  1. Englishprogeria
  2. Proto-Indo-European*weyd-
  3. Proto-Indo-European*wéydos
  4. Proto-Hellenic*wéidos
  5. Ancient Greekεἶδος (eîdos)
  6. English todayprogeroid

From progeria + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.