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See also: ulus and Ulus


Alternative forms[edit]


From Proto-Italic *-olos, from earlier *-elos (whence Faliscan -𐌄𐌋𐌏𐌔 (-elos)), from Proto-Indo-European *-e-lós, thematized from Proto-Indo-European *-lós.[1] Cognate with Proto-Germanic *-ilaz, whence no longer productive English -le (as in dimple and nozzle), Dutch -el, German -el.



-ulus (feminine -ula, neuter -ulum); first/second-declension suffix[2]

  1. Used to form a diminutive of a noun, indicating small size or youth.

Usage notes[edit]

The suffix -ulus is added to a noun to form a diminutive of that noun.

calx (limestone, game counter) + ‎-ulus → ‎calculus (pebble, little stone)
rēx (king) + ‎-ulus → ‎rēgulus (prince, petty king)

The allomorph -olus, -ola, -olum is regularly used to form diminutives of nouns ending in -ius, -ia, -ium, -eus, -ea, -eum.


First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative -ulus -ula -ulum -ulī -ulae -ula
Genitive -ulī -ulae -ulī -ulōrum -ulārum -ulōrum
Dative -ulō -ulō -ulīs
Accusative -ulum -ulam -ulum -ulōs -ulās -ula
Ablative -ulō -ulā -ulō -ulīs
Vocative -ule -ula -ulum -ulī -ulae -ula

Derived terms[edit]


  • English: -ule
  • Galician: , -oa (no longer productive)
  • Italian: -olo, -ola
  • Spanish: -uelo, -uela


  1. ^ de Goede, Tim (2014) , de Vaan, Michiel, editors, Derivational Morphology: New Perspectives on the Italo-Celtic Hypothesis (Research master thesis)[1], Leiden University, pages 14-15
  2. ^ The Formation of Latin Diminutives of Nouns and Adjectives