Etymology

frenum

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Today it means: Synonym of frenulum. Full definition →

Latin frēnum ← Proto-Italic *frēnom ← Proto-Indo-European *dʰr-eh₁-nom
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The story

  1. Proto-Indo-European*dʰer-
  2. Proto-Indo-European*dʰr-eh₁-nom
  3. Proto-Italic*θrēnom
  4. Proto-Italic*frēnom
  5. Latinfrēnum
  6. English todayfrenum

Borrowed from Latin frēnum (“bridle, curb, bit”).

Etymology from Wiktionary, CC BY-SA 4.0.