tonitrus

Latin

Alternative forms

Etymology

For unattested *tonitus, from tonō (“I thunder”) +‎ -tus, with insertion of -r- after fulgetrum (“lightning”).[1]

Pronunciation

Noun

tonitrus m (genitive tonitrūs); fourth declension

  1. thunder

Declension

Fourth-declension noun.

Case Singular Plural
Nominative tonitrus tonitrūs
Genitive tonitrūs tonitruum
Dative tonitruī tonitribus
Accusative tonitrum tonitrūs
Ablative tonitrū tonitribus
Vocative tonitrus tonitrūs

Descendants
  • Franco-Provençal: tonêrro
  • French: tonnerre
  • Galician: estrondo
  • Old Occitan: toneire, tonedre, troneire
  • Old French: tuneire
  • Portuguese: estrondo, tonítruo
  • Romanian: tunet
  • Spanish: estruendo, tronido

References
  • “tonitrus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • “tonitrus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • tonitrus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
  • Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
    • the heavens are shaken by the thunder: caelum tonitru contremit
  1. De Vaan, Michiel (2008) “tonō”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 623
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