Etymology

indisputably

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Today it means: In a manner that is incapable of being disputed or argued against. Full definition →

Proto-Germanic *līką ← Proto-Indo-European *leyg- ← English indisputable
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Italic*n̥-
  4. Latinin-
  5. Proto-Indo-European*dwóh₁
  6. Proto-Indo-European*trísinflu.
  7. Proto-Indo-European*d(w)is-
  8. Proto-Italic*dis-
  9. Latindis-
  10. Latinputus
  11. Latinputō
  12. Latindisputo
  13. Latindisputābilis
  14. Latinindisputābili
  15. Englishindisputable
  16. Proto-Indo-European*leyg-
  17. Proto-Germanic*līką
  18. English todayindisputably

From indisputable + -ly. By surface analysis, in- + disputably.

Etymology from Wiktionary, CC BY-SA 4.0.