Etymology

interfactorial

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Today it means: Between two or more factors Full definition →

English factorial ← Latin inter- ← Proto-Italic *n̥ter
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁n̥tér
  3. Proto-Italic*n̥ter
  4. Latininter
  5. Latininter-
  6. Englishinter-
  7. Englishfactorial
  8. English todayinterfactorial

From inter- + factorial.

Etymology from Wiktionary, CC BY-SA 4.0.