Gallaecus
Could not find Callaicum in Logeion dictionaries.
Callaicum proper-name adjective neuter vocative singular, proper-name adjective masculine genitive plural, proper-name adjective masculine accusative singular, proper-name adjective neuter genitive plural, proper-name adjective neuter nominative singular, proper-name adjective neuter accusative singular of Gallaecus
Callaicum Proper-name noun masculine genitive plural of Gallaeci
Gallæcus, a, um, de Gallécie ; le Gallécien [vainqueur des Gallèces] : Vell. 2, 5 ; v. Callaicus.