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Historically regarded as a diminutive of canis (dog) or maybe from Proto-Indo-European *kat- (cub)[1]. Cognates include Old Irish cadla and Old Norse haðna.


catulus m (genitive catulī); second declension

  1. whelp
  2. young dog, puppy


Second declension.

Case Singular Plural
nominative catulus catulī
genitive catulī catulōrum
dative catulō catulīs
accusative catulum catulōs
ablative catulō catulīs
vocative catule catulī

Derived termsEdit



  • catulus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • catulus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • catulus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • catulus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • catulus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • catulus in William Smith, editor (1848) A Dictionary of Greek Biography and Mythology, London: John Murray
  1. ^ Walde, Alois; Hofmann, Johann Baptist (1938), “catulus”, in Lateinisches etymologisches Wörterbuch (in German), volume I, 3rd edition, Heidelberg: Carl Winter, page 183