Etymology

neptunite

N1E1P3T1U1N1I1T1E1

Today it means: A black silicate mineral with chemical formula KNa₂Li(Fe²⁺,Mn²⁺)₂Ti₂Si₈O₂₄ Full definition →

English Neptune ← Middle English Neptune ← Old English Neptune
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The story

  1. Proto-Indo-European*nebʰ-
  2. Proto-Indo-European*népōts
  3. Etruscan𐌍𐌄𐌐𐌄𐌕𐌄 (nepete)
  4. Proto-Italic*neptūnos
  5. LatinNeptūnus
  6. Old EnglishNeptune
  7. Middle EnglishNeptune
  8. EnglishNeptune
  9. English todayneptunite

From Neptune + -ite.

Etymology from Wiktionary, CC BY-SA 4.0.