perihelium

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English[edit]

Etymology[edit]

PIE word
*sóh₂wl̥

Borrowed from Late Latin perihelium, from Ancient Greek περί- (perí-) (a variant of περι- (peri-, prefix meaning ‘around; surrounding’), ultimately from Proto-Indo-European *per- (before, in front; first)) + ἥλιος (hḗlios, sun) (ultimately from Proto-Indo-European *sóh₂wl̥ (sun) or a pre-Hellenic language), which was modelled after perigeum (point in an orbit about the Earth that is closest to the Earth, perigee).[1]

Pronunciation[edit]

Noun[edit]

perihelium (plural perihelia)

  1. (astronomy, obsolete) Synonym of perihelion [17th–18th c.]

See also[edit]

References[edit]

  1. ^ Compare perihelion, n.”, in OED Online Paid subscription required, Oxford, Oxfordshire: Oxford University Press, December 2005; perihelion, n.”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

Dutch[edit]

Dutch Wikipedia has an article on:
Wikipedia nl
Het aphelium en perihelium van een planeet.
The aphelion and perihelion of a planet.

Etymology[edit]

From Ancient Greek περί (perí, about, around) + New Latin helium, from Ancient Greek ἥλιος (hḗlios, sun).

Pronunciation[edit]

  • (file)
  • Hyphenation: pe‧ri‧he‧li‧um

Noun[edit]

perihelium n (plural perihelia)

  1. (astronomy) perihelion
    Antonym: aphelium

Norwegian Bokmål[edit]

Norwegian Bokmål Wikipedia has an article on:
Wikipedia nb

Alternative forms[edit]

Noun[edit]

perihelium n (definite singular periheliet, indefinite plural perihelier, definite plural perihelia or periheliene)

  1. (astronomy) perihelion
    Antonym: aphelium

References[edit]

Norwegian Nynorsk[edit]

Norwegian Nynorsk Wikipedia has an article on:
Wikipedia nn

Alternative forms[edit]

Noun[edit]

perihelium n (definite singular periheliet, indefinite plural perihelium, definite plural perihelia)

  1. (astronomy) perihelion
    Antonym: aphelium

References[edit]