-ulum

See also: ulûm

Latin

Etymology 1

A phonologically conditioned alteration (allomorph) of Latin -culum, from Proto-Indo-European *-tlom, generated by a rule deleting the suffix-initial stop in positions after stops.

Pronunciation
  • (Classical) IPA(key): /u.lum/, [ʊ.ɫũ] (stressed on the antepenult)

Suffix

-ulum n (genitive -ula); second declension

  1. Used to form a noun of instrument or means from a verb.
    ‎amicio + ‎-ulum → ‎amiculum
    ‎specio + ‎-ulum → ‎speculum < *spek-klo- < *spek-tlo-
    ‎vincio + ‎-ulum → ‎vinculum < *vink-klo- < *vink-tlo-
    ‎cingo + ‎-ulum → ‎cingulum
Inflection

Second declension.

Case Singular Plural
Nominative -ulum -ula
Genitive -ulī -ulōrum
Dative -ulō -ulīs
Accusative -ulum -ula
Ablative -ulō -ulīs
Vocative -ulum -ula

Etymology 2

Inflected from -ulus.

Suffix

-ulum

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

References
  • CLARKSON, James, Indo-European Word Formation: Proceedings from the International Conference, 2002.
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