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Etymology 1[edit]

From -culus ‎(diminutive suffix).



  1. nominative neuter singular of -culus
  2. accusative masculine singular of -culus
  3. accusative neuter singular of -culus
  4. vocative neuter singular of -culus

Etymology 2[edit]

From (with anaptyxis) Proto-Italic *-klom, from Proto-Indo-European *-tlom, from *-trom. Compare stabulum, which comes from a similar suffix *-dʰlom. Despite the resemblance, osculum (which besides is never found in the form **osclum) and other diminutive nouns do not use this suffix.

Alternative forms[edit]


-culum n ‎(genitive -culī); second declension

  1. Suffix used to form some nouns derived from verbs, particularly nouns representing tools and instruments.


Second declension neuter.

Case Singular Plural
nominative -culum -cula
genitive -culī -culōrum
dative -culō -culīs
accusative -culum -cula
ablative -culō -culīs
vocative -culum -cula

See also[edit]


  • CLARKSON, James, Indo-European Word Formation: Proceedings from the International Conference, 2002
  • Philip Baldi, The Foundations of Latin, 2002, pp. 304-305.