Etymology

rhodopsin

R1H4O1D2O1P3S1I1N1

Today it means: A light-sensitive pigment in the rod cells of the retina; it consists of an opsin protein bound to the carotenoid retinal Full definition →

Ancient Greek ῥόδον
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The story

  1. Ancient Greek · derived fromῥόδον“rose”
  2. English todayrhodopsin

From Ancient Greek ῥόδον (rhódon, “rose”), due to its pinkish color, and ὄψις (ópsis, “sight”).

Words from the same roots

Ancient Greekῥόδον all →

roserhodiumrhodoniterhodococcuslignum rhodiumrhodo-rhodomelRhodostauroticsub rosa

Etymology from Wiktionary, CC BY-SA 4.0.