Etymology

zooxanthellatoxin

Today it means: Any of a class of large and highly complex vasoconstrictive polyhydroxy polyenes containing a 62-membered lactone ring, isolated from zooxanthellae of the genus Symbiodinium. Full definition →

English toxin ← Latin toxicum ← Ancient Greek τοξικόν (toxikón)
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The story

  1. Englishzooxanthella
  2. Ancient Greekτοξῐκός (toxĭkós)
  3. Ancient Greekτοξικόν (toxikón)
  4. Latintoxicum
  5. Englishtoxin
  6. English todayzooxanthellatoxin

From zooxanthella + toxin.

Etymology from Wiktionary, CC BY-SA 4.0.