What does aeternum mean in Latin?

aeternum, a adverb, means “eternally, always, perpetually, constantly”.

How do you pronounce aeternum?

In classical Latin, [ae̯ˈtɛr.nũː]; in ecclesiastical (church) Latin, [eˈtɛr.num].

adverb

aeternum (not comparable)

Classical[ae̯ˈtɛr.nũː]Ecclesiastical[eˈtɛr.num]

not comparableeternally, always, perpetually, constantly
Hymettos Attica et Isthmos Ephyraea et Taenaros Spartiaca, glebae felices aeternum libris felicioribus conditaeThe Attic Hymettus, the Corinthian Isthmus, and Spartan Taenarus; all fortunate lands forever immortalized by more fortunate booksc. 125 CE – 180 CE, Apuleius, Metamorphoses 1.1

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

aeternum subst. and adv.

, see aeternus.

Adverbial accusative of aeternus (“everlasting”).