Etymology

icosa-

Today it means: twenty Full definition →

Ancient Greek εἴκοσι (eíkosi) ← Proto-Hellenic *ewī́kəti ← Proto-Indo-European *(h₁)wídḱm̥ti
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Indo-European*déḱm̥
  4. Proto-Indo-European*(h₁)wídḱm̥ti
  5. Proto-Hellenic*ewī́kəti
  6. Ancient Greekεἴκοσι (eíkosi)
  7. English todayicosa-

Borrowed from Ancient Greek εἴκοσι (eíkosi, “twenty”).

Words from the same roots

Ancient Greekεἴκοσι all →

-cosa-docos-docosa-eicosanoic acidicositetrachorontetracos-tetracosa-

Etymology from Wiktionary, CC BY-SA 4.0.