sa·ga /ˈsɑgə ||ˈsæ-/
Sa·ga n.; pl. Sagas A Scandinavian legend, or heroic or mythic tradition, among the Norsemen and kindred people; a northern European popular historical or religious tale of olden time.
And then the blue-eyed Norseman told
A saga of the days of old. --Longfellow.
Sa·gum n.; pl. Saga Rom. Antiq. The military cloak of the Roman soldiers.
n : a narrative telling the adventures of a hero or a family;
originally (12th to 14th centuries) a story of the
families that settled Iceland and their descendants but
now any prose narrative that resembles such an account