Etymology

periaqueductal

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Today it means: Surrounding an aqueduct-like feature; usually in reference to periaqueductal grey, or some other part of anatomy. Full definition →

English aqueductal ← Ancient Greek περῐ́ (perĭ́) ← Proto-Indo-European *per-
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The story

  1. Proto-Indo-European*per-
  2. Ancient Greekπερῐ́ (perĭ́)
  3. Englishperi-
  4. Englishaqueductal
  5. English todayperiaqueductal

From peri- + aqueductal.

Etymology from Wiktionary, CC BY-SA 4.0.