Etymology

unjam

U1N1J8A1M3

Today it means: To remove a blockage from; to release from being jammed. Full definition →

English jam ← Middle English on- ← Old English on-
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The story

  1. Proto-Indo-European*h₂ent-
  2. Proto-Indo-European*h₂énts
  3. Proto-Germanic*anda-
  4. Proto-West Germanic*anda-
  5. Old Englishand-
  6. Old Englishon-
  7. Middle Englishon-
  8. Englishun-
  9. Englishjam
  10. English todayunjam

From un- + jam.

Etymology from Wiktionary, CC BY-SA 4.0.