Save Gender Masculine Usage Assyrian, Gnosticism Scripts ܒܪ ܕܝܨܢ ,ابن ديصان Other Forms FormsBardaiṣan Meaning & History From Syrian ܕܝܨܢ (bar Daiṣān) "son of the Dayṣān", referring to the Daysan River. This is the name of an Assyrian teacher and founder of the Bardaisanites.