LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

cognōmentum

cognōmentum n (genitive cognōmentī)

Meaning

  1. surname
  2. name

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominativecognōmentumcognōmenta
genitivecognōmentīcognōmentōrum
dativecognōmentōcognōmentīs
accusativecognōmentumcognōmenta
ablativecognōmentōcognōmentīs
vocativecognōmentumcognōmenta

cognōmentum, i, n. access. form of cognomen,
I. a surname (rare in class. prose; most freq. in Tac.; not used by Cic.; v. Madv. ad Cic. Fin. 2, 5, 15), Plaut. Mil. 4, 2, 47; id. Ps. 4, 2, 20; id. Pers. 1, 2, 8; Poët. ap. Cic. Fin. 2, 5, 15; Sall. Fragm. ap. Gell. 18, 4, 4; Messala ap. Sen. Suas. 2; Tac. A. 12, 55; 14, 27; Gell. 18, 7, 1.—
II. (Like cognomen in poets, v. cognomen, II.) In gen., a name (partic. of inanim. things or of persons to designate a peculiar quality), Tac. A. 1, 31 Nipperd.; 2, 6; 2, 60; 4, 65; 11, 11; 15, 40; id. H. 5, 2.

Origins

Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Latin cognōmentum From cognōscō + -mentum.

Quick answers

What does cognōmentum mean in Latin?
cognōmentum, a noun, means “surname; name”.
What is the genitive of cognōmentum?
The genitive singular is cognōmentī. cognōmentum is neuter, second declension.