Etymology

trainer

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Today it means: A person who trains another; a coach. Full definition →

English train ← Middle English trayne ← Old French train
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The story

  1. Proto-Indo-European*dʰregʰ-der.?
  2. Latintrahere
  3. Vulgar Latin*tragīnāre
  4. Old Frenchtraïner
  5. Old Frenchtrain
  6. Middle Englishtrayne
  7. Englishtrain
  8. English todaytrainer

From train + -er.

Etymology from Wiktionary, CC BY-SA 4.0.