Etymology

trabecula

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Today it means: A small supporting beam. Full definition →

Latin trabēcula ← Proto-Italic *trabs ← Proto-Indo-European *treb-
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The story

  1. Proto-Indo-European*treb-
  2. Proto-Italic*trabs
  3. Latintrabs
  4. Latintrabēcula
  5. English todaytrabecula

Learned borrowing from Latin trabēcula (“small beam”), diminutive of trabs (“beam, timber”).

Etymology from Wiktionary, CC BY-SA 4.0.