Etymology

pyritoid

P3Y4R1I1T1O1I1D2

Today it means: pyritohedron Full definition →

English pyrite ← Old French pyrite ← Latin pȳritēs
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The story

  1. Proto-Indo-European*péh₂wr̥
  2. Proto-Hellenic*pāwər
  3. Ancient Greekπῦρ (pûr)
  4. Ancient Greekπῠρῑ́της (pŭrī́tēs)
  5. Latinpȳritēs
  6. Old Frenchpyrite
  7. Englishpyrite
  8. English todaypyritoid

From pyrite + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.