Etymology

atomicity

atom·ic·i·ty
A1T1O1M3I1C3I1T1Y4

Today it means: The number of atoms in a molecule. Full definition →

English atomic ← Middle English attome ← Middle French athome
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekἀ- (a-)
  5. Proto-Indo-European*temh₁-
  6. Ancient Greekτέμνω (témnō)
  7. Ancient Greek*τομός (*tomós)
  8. Ancient Greekἄτομος (átomos)
  9. Latinatomu
  10. Middle Frenchathome
  11. Middle Englishattome
  12. Englishatom
  13. Englishatomic
  14. English todayatomicity

From atomic + -ity.

Etymology from Wiktionary, CC BY-SA 4.0.