Etymology

dilithium

D2I1L1I1T1H4I1U1M3

Today it means: The diatomic molecule Li₂ found in the gas phase. Full definition →

English lithium ← New Latin lithium ← Ancient Greek λίθος (líthos)
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Ancient Greekλίθος (líthos)
  8. New Latinlithium
  9. Englishlithium
  10. English todaydilithium

From di- + lithium.

Etymology from Wiktionary, CC BY-SA 4.0.