←
Proto-Celtic *oinos (inherited)←
Proto-Celtic *gus- (derived)←
Proto-Indo-European *ǵews- (root)←
Proto-Indo-European *óynos (inherited)←
Proto-Indo-European *ǵews- (derived)←
Middle Irish Aengus (inherited)←
Middle Irish Oengus (mention)←
Old Irish Oíngus (inherited)←
Old Irish oín (mention)←
Old Irish gus (mention)→
English Angus (derived)