This epithet was given to Apollo in parts of Gaul, Northern Italy and Noricum (part of modern Austria).
ðɪs ˈɛpɪθɪt wʌz ɡˈɪvən tʊ ɐpˈɑːloʊ ɪn pˈɑːɹts ʌv ɡˈɔːl, nˈɔːɹðɚn ˈɪɾəli ænd nˈoːɹɪkəm pˈɑːɹt ʌv mˈɑːdɚn ˈɔːstɹiə.