Etymology

fenestron

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Today it means: A protected tail rotor of a helicopter, operating like a ducted fan. Full definition →

French fenestron ← Latin fenestra
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The story

  1. Latin · derived fromfenestra“window”
  2. French · borrowed fromfenestron“small window”
  3. English todayfenestron

Borrowed from French fenestron (“small window”), ultimately from Latin fenestra (“window”).

Words from the same roots

Latinfenestra all →

fensterfenestrafenestranefissula ante fenestram

Etymology from Wiktionary, CC BY-SA 4.0.