Etymology

kestrel

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Today it means: Any of various small falcons of the genus Falco that hover while hunting. Full definition →

Middle English castrel ← Middle French cresserelle ← Middle Dutch crāken
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The story

  1. Proto-Indo-European · derived from*gerg-“to shout”
  2. Proto-West Germanic · derived from*krakōn“to emit a cry, shout”
  3. Old Dutch · derived from*krakōn“to crack, creak, emit a cry”
  4. Middle Dutch · derived fromcrāken“to creak, crack”
  5. Middle French · derived fromcresserelle
  6. Middle English · inherited fromcastrel“staniel, bird of prey”
  7. English todaykestrel

From Middle English castrel (“staniel, bird of prey”), from Middle French cresserelle, crecerelle (“bird of prey”), usually assumed to be from crecelle (“rattle, wooden reel”) (modern crécelle), of obscure origin. Cognates possibly include: Medieval Latin clisterella f, French crécerelle f and cristel m, Neapolitan castariello m and crestariello m, all sharing the same meaning. Derivation from the assumed Vulgar Latin *crepicella, *crepitacillum, a diminutive of crepitāculum, from crepitāre (“to crackle”) is difficult to explain from a morphological point of view. Instead, possibly from a root *krek-, *krak- (“to crack, rattle, creak, emit a bird cry”), from Middle Dutch crāken (“to creak, crack”), from Old Dutch *krakōn (“to crack, creak, emit a cry”), from Proto-West Germanic *krakōn (“to emit a cry, shout”), from Proto-Indo-European *gerg- (“to shout”). Cognate with Old High German krahhōn (“to make a sound, crash”), Old English cracian (“to resound”), French craquer (“to emit a repeated cry, used of birds”). More at creak, crack.

Words from the same roots

Proto-West Germanic*krakōn all →

cricketcrickcreakcrakechirkcharktocrack

Proto-Indo-European*gerg- all →

crochetcrouch

Etymology from Wiktionary, CC BY-SA 4.0.