Sthiramati

A 6th-century Indian scholar- monk, based primarily in Valābhi (present-day Gujarat), although he is thought to have spent some time at Nālandā. He was renowned for his numerous and detailed commentaries on Yogācāra and Abhidharma works by Vasubandhu and others, as well as a commentary on the Kaśyāpa-parivarta.

A Dictionary of Buddhism, Oxford University Press, 2003, 2004 (which is available in electronic version from answer.com)

安慧

○mati f. a firm mind, steadfastness L
• mfn. firm-minded, steady Bhag
• m. N. of a Bhikshu Buddh

Sanskrit-English Dictionary, by M. Monier William