Proper noun
Itihasa
(Hinduism) The collection of written descriptions of important events in Hinduism, including the Mahabharata, the Puranas and the Ramayana.
Curiously, another textbook gives the picture, but with a different caption indicating that some Purana or Itihasa text is being recited for the public. Source: Internet
Their use and ancient roots are attested by sutras being mentioned in larger genre of ancient non-Vedic Hindu literature called Gatha, Narashansi, Itihasa and Akhyana (songs, legends, epics and stories). Source: Internet