Etymology

paleoencephalon

P3A1L1E1O1E1N1C3E1P3H4A1L1O1N1

Today it means: The most ancient part of the brain. Full definition →

English encephalon ← Ancient Greek πᾰλαιός (pălaiós)
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Ancient Greekπᾰλαιός (pălaiós)
  2. Englishpaleo-
  3. Englishencephalon
  4. English todaypaleoencephalon

From paleo- + encephalon.

Etymology from Wiktionary, CC BY-SA 4.0.