Etymology

bacteriorhodopsin

Today it means: Any of several related purple photosynthetic proteins, found in halobacteria, that act as proton pumps Full definition →

English rhodopsin ← New Latin bactērium ← Ancient Greek βακτήριον (baktḗrion)
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The story

  1. Ancient Greekβακτηρία (baktēría)
  2. Ancient Greekβακτήριον (baktḗrion)
  3. New Latinbactērium
  4. Englishbacterio-
  5. Englishrhodopsin
  6. English todaybacteriorhodopsin

From bacterio- + rhodopsin.

Etymology from Wiktionary, CC BY-SA 4.0.