Nanda. （1） A younger half-brother of S/a^kyamuni， who became one of his close disciples; called Sundarananda 孙陀罗难陀 because he was married to Sundari^. ［法华经 T 262.9.1c26］ （2） A disciple of S/a^kyamuni who was once a cowherd. （3） A Yoga^ca^ra master who lived in the sixth century C.E. in Northern India. Considered to be one of the 'Ten Great Masters' of the school of Yoga^ca^ra. He developed the theory of "newly perfumated seeds" and the theory of the two aspects of subject and object （相分， 见分）. He is said to have written a commentary on the Yoga^ca^rabhu^mi-/sa^stra 瑜伽论， but it is not extant. His exact dates of birth and death are uncertain.