LATIN DICTIONARYLexicon Latīnum
adverb

quīntum

quīntum (not comparable)
Classical[ˈkʷiːn.tũː]Ecclesiastical[ˈkʷin.tum]

Meaning

  1. not comparablefor the fifth time

Charlton Lewis's shorter dictionary for students: the same scholarship in plain, modern definitions.

quīntum or V adv.
quintus, for the fifth time : ut Furius dictator quintum diceretur, L.: (declaratus consul) Fabius, V., L.

Origins

Adverbial accusative of quīntus.

Quick answers

What does quīntum mean in Latin?
quīntum, a adverb, means “for the fifth time”.
How do you pronounce quīntum?
In classical Latin, [ˈkʷiːn.tũː]; in ecclesiastical (church) Latin, [ˈkʷin.tum].