What does protogermānicus mean in Latin?

protogermānicus, a adjective, means “Proto-Germanic”.

How do you pronounce protogermānicus?

In classical Latin, [prɔ.tɔ.ɡɛrˈmaː.nɪ.kʊs]; in ecclesiastical (church) Latin, [pro.to.d͡ʒerˈmaː.ni.kus].

adjectivefirst/second-declension adjective

protogermānicus (feminine protogermānica, neuter protogermānicum)

Classical[prɔ.tɔ.ɡɛrˈmaː.nɪ.kʊs]Ecclesiastical[pro.to.d͡ʒerˈmaː.ni.kus]

singular
form	masculine	feminine	neuter
nominative	protogermānicus	protogermānica	protogermānicum
genitive	protogermānicī	protogermānicae	protogermānicī
dative	protogermānicō	protogermānicae	protogermānicō
accusative	protogermānicum	protogermānicam	protogermānicum
ablative	protogermānicō	protogermānicā	protogermānicō
vocative	protogermānice	protogermānica	protogermānicum

plural
form	masculine	feminine	neuter
nominative	protogermānicī	protogermānicae	protogermānica
genitive	protogermānicōrum	protogermānicārum	protogermānicōrum
dative	protogermānicīs	protogermānicīs	protogermānicīs
accusative	protogermānicōs	protogermānicās	protogermānica
ablative	protogermānicīs	protogermānicīs	protogermānicīs
vocative	protogermānicī	protogermānicae	protogermānica

proto- + germānicus, possibly borrowed from English Proto-Germanic.