Etymology

chloritoid

C3H4L1O1R1I1T1O1I1D2

Today it means: A mixed iron, magnesium, and manganese silicate mineral of metamorphic origin, with the chemical formula (Fe²⁺,Mg,Mn)₂Al₄Si₂O₁₀(OH)₄. Full definition →

Ancient Greek εἶδος (eîdos) ← Proto-Hellenic *wéidos ← Proto-Indo-European *wéydos
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

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

From chlorite + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.