Etymology

helio-

Today it means: Concerning the sun. Full definition →

Ancient Greek ἥλῐος (hḗlĭos) ← Proto-Hellenic *hāwélios ← Proto-Indo-European *sh₂wél(i)yos
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The story

  1. Proto-Indo-European*sóh₂wl̥
  2. Proto-Indo-European*sh₂wél(i)yos
  3. Proto-Hellenic*hāwélios
  4. Ancient Greekἥλῐος (hḗlĭos)
  5. English todayhelio-

Representing a combining form of Ancient Greek ἥλιος (hḗlios, “sun”).

Words from the same roots

Ancient Greekἥλιος all →

heliumhelioshelianthophobiaheliodorhelioliteheliometerheliostatheliotypyisohel

Etymology from Wiktionary, CC BY-SA 4.0.