Gallaecus
Could not find Callaico in Logeion dictionaries.
Callaico proper-name adjective neuter dative singular, proper-name adjective masculine ablative singular, proper-name adjective masculine dative singular, proper-name adjective neuter ablative singular of Gallaecus
Gallæcus, a, um, de Gallécie ; le Gallécien [vainqueur des Gallèces] : Vell. 2, 5 ; v. Callaicus.