1) Gaulish god 
In Gallo-Roman religion, Ambisagrus was a Gaulish god worshipped at Aquileia in Cisalpine Gaul, where he was identified with Jupiter Optimus Maximus. The name may be composed of the Proto-Celtic prefix *ambi- (`around`) and root *sagro-. John T. Koch has suggested that this Jovian epithet may originally have applied to Taranis, with allusion to .....