What does borussicus mean in Latin?

borussicus, a adjective, means “Old Prussian”.

How do you pronounce borussicus?

In classical Latin, [bɔˈrʊs.sɪ.kʊs]; in ecclesiastical (church) Latin, [boˈrus.si.kus].

adjectivefirst/second-declension adjective

borussicus (feminine borussica, neuter borussicum)

Classical[bɔˈrʊs.sɪ.kʊs]Ecclesiastical[boˈrus.si.kus]

singular
form	masculine	feminine	neuter
nominative	borussicus	borussica	borussicum
genitive	borussicī	borussicae	borussicī
dative	borussicō	borussicae	borussicō
accusative	borussicum	borussicam	borussicum
ablative	borussicō	borussicā	borussicō
vocative	borussice	borussica	borussicum

plural
form	masculine	feminine	neuter
nominative	borussicī	borussicae	borussica
genitive	borussicōrum	borussicārum	borussicōrum
dative	borussicīs	borussicīs	borussicīs
accusative	borussicōs	borussicās	borussica
ablative	borussicīs	borussicīs	borussicīs
vocative	borussicī	borussicae	borussica