Etymology

bipennate

B3I1P3E1N1N1A1T1E1

Today it means: Of, pertaining to, or having the nature of a muscle, the fibres of which attach to a tendon on two sides (as a feather barbed on both sides). Full definition →

English pennate ← Latin bi- ← Proto-Italic *dwi-
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Englishpennate
  7. English todaybipennate

From bi- + pennate.

Etymology from Wiktionary, CC BY-SA 4.0.