Etymology

eigenproblem

E1I1G2E1N1P3R1O1B3L1E1M3

Today it means: A mathematical problem involving eigenvalues. Full definition →

English problem ← German eigen ← Middle High German eigen
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The story

  1. Proto-Indo-European*h₂eyḱ-
  2. Proto-Indo-European*h₂eh₂óyḱe
  3. Proto-Germanic*aiganą
  4. Proto-Germanic*aiganaz
  5. Proto-West Germanic*aigan
  6. Old High Germaneigan
  7. Middle High Germaneigen
  8. Germaneigen
  9. Englisheigen-
  10. Englishproblem
  11. English todayeigenproblem

From eigen- + problem.

Etymology from Wiktionary, CC BY-SA 4.0.