helio-

US/ˈhi.li.oʊ/

prefix

Concerning the sun.

Similar
solarsunly
OriginAncient Greek ἥλῐος (hḗlĭos) ← Proto-Hellenic *hāwélios ← Proto-Indo-European *sh₂wél(i)yos →
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Meanings

prefix
  1. Concerning the sun.

    Synonyms: solar, sunly

Synonyms & antonyms

prefixConcerning the sun.

Similar
solarsunly

Origin

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

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

More words from Ancient Greek

Full word history & related roots →

Translations

Dutch helio-
  • helio-related to the sun
French hélio-
  • hélio-related to the sun
German helio-
  • helio-related to the sun
Hungarian helio-
  • helio-related to the sun
Italian elio-
  • elio-related to the sun
Malay helio-
  • helio-related to the sun
Polish helio-
  • helio-related to the sun
Portuguese helio-
  • helio-related to the sun
Romanian helio-
  • helio-related to the sun
Russian гелио-
  • гелио- (gelio-)related to the sun
Spanish helio-
  • helio-related to the sun
Swedish helio-
  • helio-related to the sun
Cite this entry
APA

helio-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/helio-

MLA

“helio-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/helio-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “helio-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/helio-.

Source: helio- on Wiktionary, CC BY-SA 4.0.