What does copticus mean in Latin?

copticus, a adjective, means “Coptic”.

How do you pronounce copticus?

In classical Latin, [ˈkɔp.tɪ.kʊs]; in ecclesiastical (church) Latin, [ˈkɔp.ti.kus].

adjectivefirst/second-declension adjective

copticus (feminine coptica, neuter copticum)

Classical[ˈkɔp.tɪ.kʊs]Ecclesiastical[ˈkɔp.ti.kus]

singular
form	masculine	feminine	neuter
nominative	copticus	coptica	copticum
genitive	copticī	copticae	copticī
dative	copticō	copticae	copticō
accusative	copticum	copticam	copticum
ablative	copticō	copticā	copticō
vocative	coptice	coptica	copticum

plural
form	masculine	feminine	neuter
nominative	copticī	copticae	coptica
genitive	copticōrum	copticārum	copticōrum
dative	copticīs	copticīs	copticīs
accusative	copticōs	copticās	coptica
ablative	copticīs	copticīs	copticīs
vocative	copticī	copticae	coptica