 A commentary on the "Amara Khosa", considered useful to students of the language, called "Amara Khosa Vyakhyana" was written by the Jain writer Nachiraja (1300).Towards the end of the Hoysala rule, Nagaraja wrote "Punyasrava" in 1331 in "champu" style, a work that narrates the stories of puranic heroes in 52 tales and is said to be a translation from Sanskrit.The Vaishnava movement in the Kannada-speaking regions found momentum after the arrival of the philosopher Ramanujacharya (1017–1137).