Etymology

bivium

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Today it means: One side of an echinoderm, including a pair of ambulacra, in distinction from the opposite side (trivium), which includes three ambulacra. Full definition →

Latin bivium
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The story

  1. Latin · borrowed frombivium
  2. Latin · borrowed frombivium
  3. English todaybivium

Borrowed from Latin bivium (“a place with two ways”).

Etymology from Wiktionary, CC BY-SA 4.0.