Etymology

acro-

Today it means: The extremities: limbs, head, fingers, toes, etc. Full definition →

Ancient Greek ᾰ̓́κρος (ắkros) ← Proto-Hellenic [Term?] ← Proto-Indo-European *h₂eḱrós
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The story

  1. Proto-Indo-European*h₂eḱ-
  2. Proto-Indo-European*h₂eḱrós
  3. Proto-Hellenic[Term?]
  4. Ancient Greekᾰ̓́κρος (ắkros)
  5. English todayacro-

From international scientific vocabulary, per above.

Etymology from Wiktionary, CC BY-SA 4.0.