What does Arvernus mean in Latin?

Arvernus, a adjective, means “Arvernian”.

How do you pronounce Arvernus?

In classical Latin, [arˈwɛr.nʊs]; in ecclesiastical (church) Latin, [arˈvɛr.nus].

adjectivefirst/second-declension adjective

Arvernus (feminine Arverna, neuter Arvernum)

Classical[arˈwɛr.nʊs]Ecclesiastical[arˈvɛr.nus]

singular
form	masculine	feminine	neuter
nominative	Arvernus	Arverna	Arvernum
genitive	Arvernī	Arvernae	Arvernī
dative	Arvernō	Arvernae	Arvernō
accusative	Arvernum	Arvernam	Arvernum
ablative	Arvernō	Arvernā	Arvernō
vocative	Arverne	Arverna	Arvernum

plural
form	masculine	feminine	neuter
nominative	Arvernī	Arvernae	Arverna
genitive	Arvernōrum	Arvernārum	Arvernōrum
dative	Arvernīs	Arvernīs	Arvernīs
accusative	Arvernōs	Arvernās	Arverna
ablative	Arvernīs	Arvernīs	Arvernīs
vocative	Arvernī	Arvernae	Arverna

Borrowed from Gaulish.

Descendants

noun · masculinesecond declension

Arvernus²

Arvernus m sg (genitive Arvernī, feminine Arverna)

Classical[arˈwɛr.nʊs]Ecclesiastical[arˈvɛr.nus]

Borrowed from Gaulish.