Etymology

pessulus

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Today it means: A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of some birds. Full definition →

Latin pessulus
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The story

  1. Latin · borrowed frompessulus“bolt (of a door)”
  2. English todaypessulus

Borrowed from Latin pessulus (“bolt (of a door)”).

Etymology from Wiktionary, CC BY-SA 4.0.