LATIN DICTIONARYLexicon Latīnum
adverb

septimum

septimum (not comparable)
Classical[ˈsɛp.tɪ.mũː]Ecclesiastical[ˈsɛp.ti.mum]

Meaning

  1. not comparablefor the seventh time

septĭmum, adv., v. septimus, I. 2.

Origins

Adverbial accusative of septimus.

Quick answers

What does septimum mean in Latin?
septimum, a adverb, means “for the seventh time”.
How do you pronounce septimum?
In classical Latin, [ˈsɛp.tɪ.mũː]; in ecclesiastical (church) Latin, [ˈsɛp.ti.mum].