Etymology

abactinal

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Today it means: Pertaining to the surface or end opposite to the mouth in a radiate animal. Full definition →

English actinal ← Latin ab- ← Proto-Italic *ap
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The story

  1. Proto-Indo-European*h₂ep
  2. Proto-Indo-European*h₂epó
  3. Proto-Italic*ap
  4. Latinab
  5. Latinab-
  6. Englishab-
  7. Englishactinal
  8. English todayabactinal

From ab- + actinal.

Etymology from Wiktionary, CC BY-SA 4.0.