Etymology

nucleolus

N1U1C3L1E1O1L1U1S1

Today it means: A conspicuous, rounded body within the nucleus of a cell. Full definition →

English nucle(us) ← Latin nucleu ← Proto-Italic *knuks
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The story

  1. Proto-Italic*knuks
  2. Latinnux
  3. Latinnucleu
  4. Englishnucle(us)
  5. English todaynucleolus

From nucle(us) + Latin -olus.

Etymology from Wiktionary, CC BY-SA 4.0.