-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

Suffix

-ulum n (genitive -ulī); 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
Declension

Second-declension noun (neuter).

Case Singular Plural
Nominative -ulum -ula
Genitive -ulī -ulōrum
Dative -ulō -ulīs
Accusative -ulum -ula
Ablative -ulō -ulīs
Vocative -ulum -ula
Derived terms
Latin terms suffixed with -ulum

Etymology 2

Inflected from -ulus.

Suffix

-ulum

  1. inflection of -ulus:
    1. nominative/accusative/vocative neuter singular
    2. accusative masculine singular

References

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