Etymology

pseudobranchia

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Today it means: A small patch of gill-like filaments on the inner surface of the opercle near the junction of the preopercle. Full definition →

English branchia ← Middle English pseudo- ← Ancient Greek ψευδής (pseudḗs)
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The story

  1. Ancient Greekψεύδω (pseúdō)
  2. Ancient Greekψευδής (pseudḗs)
  3. Middle Englishpseudo-
  4. Englishpseudo-
  5. Englishbranchia
  6. English todaypseudobranchia

From pseudo- + branchia (“gill”).

Etymology from Wiktionary, CC BY-SA 4.0.