What does philologicus mean in Latin?

philologicus, a adjective, means “philological”.

How do you pronounce philologicus?

In classical Latin, [pʰɪ.ɫɔˈɫɔ.ɡɪ.kʊs]; in ecclesiastical (church) Latin, [fi.loˈlɔː.d͡ʒi.kus].

adjectivefirst/second-declension adjective

philologicus (feminine philologica, neuter philologicum)

Classical[pʰɪ.ɫɔˈɫɔ.ɡɪ.kʊs]Ecclesiastical[fi.loˈlɔː.d͡ʒi.kus]

singular
form	masculine	feminine	neuter
nominative	philologicus	philologica	philologicum
genitive	philologicī	philologicae	philologicī
dative	philologicō	philologicae	philologicō
accusative	philologicum	philologicam	philologicum
ablative	philologicō	philologicā	philologicō
vocative	philologice	philologica	philologicum

plural
form	masculine	feminine	neuter
nominative	philologicī	philologicae	philologica
genitive	philologicōrum	philologicārum	philologicōrum
dative	philologicīs	philologicīs	philologicīs
accusative	philologicōs	philologicās	philologica
ablative	philologicīs	philologicīs	philologicīs
vocative	philologicī	philologicae	philologica

Internationalism, philologia + -icus.