Complex sentence: "Gorman" is an Irish surname and is the reduced Anglicized form of the Gaelic Mac Gormáin and Ó Gormáin "son (or descendant) of Gormán"; a personal name from a diminutive of gorm "dark blue", "noble".
Split into simpler sentences: Gorman is an Irish surname and is the reduced Anglicized form of the Gaelic Mac Gormáin and Ó Gormáin "son (or descendant) of Gormán". The name is derived from the diminutive of the Gaelic word'gorm' meaning "dark blue", "noble".