Etymology

paranoid

para·noid
P3A1R1A1N1O1I1D2

Today it means: Of, related to, or suffering from clinical paranoia. Full definition →

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

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

From paranoia + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.