Albigensian Look up Albigensian at Dictionary.com
c.1600, "relating to the Albigenses," Catharist religious reformers of southern France c.1020-1250, Medieval Latin Albigenses (12c.), from French Albi, name of the town in Languedoc where they lived and were first condemned as heretics (1176). The town name is from Roman personal name Albius, from Latin albus "white" (see alb).