Etymology

creepy

creep·y
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Today it means: Moving by creeping along. Full definition →

English creep ← Middle English crepen ← Old English crēopan
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The story

  1. Proto-Indo-European*grewbʰ-
  2. Proto-Germanic*kreupaną
  3. Proto-West Germanic*kreupan
  4. Old Englishcrēopan
  5. Middle Englishcrepen
  6. Englishcreep
  7. English todaycreepy

From creep + -y.

Etymology from Wiktionary, CC BY-SA 4.0.