LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

commentāriolum

commentāriolum n (genitive commentāriolī)

Meaning

  1. brief commentary, short treatise
  2. notebook

Declension

declension
formsingularplural
nominativecommentāriolumcommentāriola
genitivecommentāriolīcommentāriolōrum
dativecommentāriolōcommentāriolīs
accusativecommentāriolumcommentāriola
ablativecommentāriolōcommentāriolīs
vocativecommentāriolumcommentāriola

commentārĭŏlum, i, n. (-lus, i, m., Hier. Ep. 149, 1), dim. commentarius,
I. a short treatise, brief commentary: hoc, Q. Cic. Pet. Cons. 14 fin.; of dub. form, abl. plur., Cic. Fin. 4, 4, 10; id. de Or. 1, 2, 5; id. Phil. 1, 7, 16; Quint. 1, 5, 7.

Origins

From commentārius (“diary, journal”) + -olus (diminutive suffix), with a change of gender from masculine to neuter.

Quick answers

What does commentāriolum mean in Latin?
commentāriolum, a noun, means “brief commentary, short treatise; notebook”.
What is the genitive of commentāriolum?
The genitive singular is commentāriolī. commentāriolum is neuter, second declension.