Etymology

coalgebra

C3O1A1L1G2E1B3R1A1

Today it means: a structure that is dual to unital associative algebras Full definition →

English algebra ← Medieval Latin algebra ← Arabic الْجَبْر (al-jabr)
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The story

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Arabicجَبَرَ (jabara)
  9. Arabicالْجَبْر (al-jabr)
  10. Medieval Latinalgebra
  11. Englishalgebra
  12. English todaycoalgebra

From co- + algebra.

Etymology from Wiktionary, CC BY-SA 4.0.