Etymology

heptasulphide

H4E1P3T1A1S1U1L1P3H4I1D2E1

Today it means: Any sulphide containing two sulphur atoms in each molecule. Full definition →

English sulphide ← Ancient Greek ἑπτᾰ́ (heptắ) ← Proto-Hellenic *heptə́
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The story

  1. Proto-Afroasiatic*sṗɣ?
  2. Proto-Semitic*šabʕ-bor.?
  3. Proto-Indo-European*septḿ̥
  4. Proto-Hellenic*heptə́
  5. Ancient Greekἑπτᾰ́ (heptắ)
  6. Englishhepta-
  7. Englishsulphide
  8. English todayheptasulphide

From hepta- + sulphide.

Etymology from Wiktionary, CC BY-SA 4.0.