Etymology

unarbitrary

U1N1A1R1B3I1T1R1A1R1Y4

Today it means: Not arbitrary. Full definition →

English arbitrary ← Middle English arbitrarie ← Latin arbitrārius
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Latinarbiter
  9. Latinarbitrārius
  10. Middle Englisharbitrarie
  11. Englisharbitrary
  12. English todayunarbitrary

From un- + arbitrary.

Etymology from Wiktionary, CC BY-SA 4.0.