Etymology

knucklehead

K5N1U1C3K5L1E1H4E1A1D2

Today it means: An idiot; a stupid or inept person. Full definition →

English head ← Middle English heed ← Old English hēafod
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The story

  1. Englishknuckle
  2. Proto-Indo-European*kap-?
  3. Proto-Indo-European*kap-
  4. Proto-Indo-European*káput
  5. Proto-Germanic*haubudą
  6. Old Englishhēafod
  7. Middle Englishheed
  8. Englishhead
  9. English todayknucklehead

From knuckle + head.

Etymology from Wiktionary, CC BY-SA 4.0.