Etymology

overexpression

O1V4E1R1E1X8P3R1E1S1S1I1O1N1

Today it means: The abnormal or artificial expression of a gene in increased quantity Full definition →

English expression ← Middle English over- ← Old English ofer-
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The story

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Germanic*uber
  4. Old Englishofer-
  5. Middle Englishover-
  6. Englishover-
  7. Englishexpression
  8. English todayoverexpression

From over- + expression.

Etymology from Wiktionary, CC BY-SA 4.0.