What does longiturnus mean in Latin?

longiturnus, a adjective, means “of a long duration, long”.

How do you pronounce longiturnus?

In classical Latin, [ɫɔŋ.ɡɪˈtʊr.nʊs]; in ecclesiastical (church) Latin, [lon̠ʲ.d͡ʒiˈtur.nus].

adjectivefirst/second-declension adjective

longiturnus (feminine longiturna, neuter longiturnum)

Classical[ɫɔŋ.ɡɪˈtʊr.nʊs]Ecclesiastical[lon̠ʲ.d͡ʒiˈtur.nus]

singular
form	masculine	feminine	neuter
nominative	longiturnus	longiturna	longiturnum
genitive	longiturnī	longiturnae	longiturnī
dative	longiturnō	longiturnae	longiturnō
accusative	longiturnum	longiturnam	longiturnum
ablative	longiturnō	longiturnā	longiturnō
vocative	longiturne	longiturna	longiturnum

plural
form	masculine	feminine	neuter
nominative	longiturnī	longiturnae	longiturna
genitive	longiturnōrum	longiturnārum	longiturnōrum
dative	longiturnīs	longiturnīs	longiturnīs
accusative	longiturnōs	longiturnās	longiturna
ablative	longiturnīs	longiturnīs	longiturnīs
vocative	longiturnī	longiturnae	longiturna

longĭturnus, a, um, adj. longus,

I. long, of long duration, Vulg. Baruch. 4, 35.

From longus (“far, long”) + *-turnus, probably taken from diuturnus.