Etymology

unicoherent

U1N1I1C3O1H4E1R1E1N1T1

Today it means: Of a topological space X: such that it is a connected space and, for any closed, connected A,B⊂X with X=A∪B, the intersection A∩B is connected. Full definition →

English coherent ← Middle French coherent ← Latin cohaerēns
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The story

  1. Proto-Indo-European*ís?
  2. Proto-Indo-European*h₁óynos
  3. Proto-Italic*oinos
  4. Old Latinoinos
  5. Latinūnus
  6. Latinūni-
  7. Englishuni-
  8. Proto-Indo-European*ḱe?
  9. Proto-Indo-European*ḱóm
  10. Proto-Italic*kom
  11. Proto-Italic*kom-
  12. Latincon-
  13. Latinhaereō
  14. Latincohaereō
  15. Latincohaerēns
  16. Middle Frenchcoherent
  17. Englishcoherent
  18. English todayunicoherent

From uni- + coherent.

Etymology from Wiktionary, CC BY-SA 4.0.