LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

opertōrium

opertōrium n (genitive opertōriī or opertōrī)

Meaning

  1. covering

Declension

declension
formsingularplural
nominativeopertōriumopertōria
genitiveopertōriī
opertōrī
opertōriōrum
dativeopertōriōopertōriīs
accusativeopertōriumopertōria
ablativeopertōriōopertōriīs
vocativeopertōriumopertōria

ŏpertōrĭum, ii, n. id..
I. In gen., a cover (post-Aug.), Sen. Ep. 87, 2; Vulg. Exod. 36, 19.—Trop.: peccati, Ambros. in Psa. 118, Serm. 7, § 31; id. Cant. Cantic. 3, § 2.—
II. In partic.
1. A garment, Vulg. Psa. 101, 27.—
2. A grave (post-class.), Sid. Ep. 3, 12.

Origins

Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁épi Proto-Indo-European *h₂wer- Proto-Indo-European *-yeti Latin operiō Latin -tōrium Latin opertōrium From operiō (“to cover”) + -tōrium.

Quick answers

What does opertōrium mean in Latin?
opertōrium, a noun, means “covering”.
What is the genitive of opertōrium?
The genitive singular is opertōriī. opertōrium is neuter, second declension.